HEADPHONES · YOUR NEXT FACE-OFF

HyperX Cloud Alpha Wireless vs Sennheiser HD 280 PRO

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

HyperX Cloud Alpha Wireless

4P5D4AA · Black-Red · 2.4 GHz wireless

Full product profile Official image

Exact model & source notes

The HyperX Cloud Alpha Wireless (SKU 4P5D4AA, black and red) is a closed-back, over-ear 2.4 GHz wireless gaming headset with 50 mm dual-chamber drivers, an aluminium frame, onboard volume, mic-mute and mic-monitoring controls and a detachable Discord and TeamSpeak-certified noise-cancelling microphone. HyperX NGENUITY software checks battery life and adjusts the equalizer, and HyperX rates the battery at up to 300 hours at 50% volume.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

WHICH SUITS YOU?

Choose the HyperX Cloud Alpha Wireless for

A wireless connection
Lower stated impedance: 62 ohm vs 64 ohm

Choose the Sennheiser HD 280 PRO for

A wired connection
Higher stated impedance: 64 ohm vs 62 ohm

Built from verified specifications that differ. Not a rating or a recommendation.

See the 9 verified differences

THE CONTENDER

Sennheiser HD 280 PRO

506845 · HD 280 PRO · wired

Full product profile Official image

Exact model & source notes

The HD 280 PRO (article 506845) is Sennheiser's closed-back wired monitoring headphone for recording, mixing and monitoring, built from rugged polycarbonate with a collapsible, fold-down design. It has a rated 64 Ω impedance, up to 32 dB of passive ambient-noise attenuation and a single-sided coiled cable with a 3.5 mm plug and 6.3 mm adapter. It weighs about 285 g without the cable.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

HyperX Cloud Alpha Wireless UK & US retailers

UK & US price history: no verified listing yet

Sennheiser HD 280 PRO UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

FEATURES SIDE BY SIDE7 topics

Yes and No describe the listed feature. Missing evidence stays unverified.

SELECTED TOPIC

01 / 07

Impedance

Nominal electrical load, not sound quality or loudness. Output capability and headphone sensitivity matter together; impedance alone cannot decide whether an amplifier is needed.

HyperX Cloud Alpha Wireless62 Ω

Manufacturer specification · Listed on the UK page; the US page omits impedance.

Source 1

Sennheiser HD 280 PRO64 Ω

Source 1 Source 2

Explore the full specifications

Start with your listening environment. Open and closed earcups suit different surroundings. A closed back is not the same as active noise cancellation. Check the exact cable and headphone output. We do not turn impedance, driver size or unpaired lab results into a sound-quality score.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

9 verified differences, most decision-relevant first. 1 is also drawn in Visual facts above. Missing information stays separate.

Acoustic design

HyperX Cloud Alpha WirelessClosed-back, dual-chamber driver design

Sennheiser HD 280 PROClosed-back

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

Check the exact configuration and source conditions for your use.

Wired / wireless connections

HyperX Cloud Alpha Wireless2.4 GHz wireless via the supplied USB wireless adapter; USB cable for charging

Sennheiser HD 280 PROWired; single-sided coiled cable (about 1.3 m to 3 m) with 3.5 mm plug and supplied 6.3 mm adapter

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification · HyperX lists no Bluetooth and no analogue input; the supplied cable is described as a charge cable.

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

Check the exact configuration and source conditions for your use.

Impedance

In Visual facts

HyperX Cloud Alpha Wireless62 ohm

Sennheiser HD 280 PRO64 ohm

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification · Listed on the UK page; the US page omits impedance.

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

Check the exact configuration and source conditions for your use.

Driver construction

HyperX Cloud Alpha WirelessDynamic, 50 mm with neodymium magnets, dual-chamber

Sennheiser HD 280 PRODynamic

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications

Sennheiser HD 280 PRO

Manufacturer specification · Sennheiser does not state the transducer diameter on the pages read.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

Check whether the diameter describes the complete transducer or only its diaphragm. Different labels and driver sizes do not establish better sound.

Wearing style

HyperX Cloud Alpha WirelessOver-ear (circumaural), closed-back wireless gaming headset with aluminium frame

Sennheiser HD 280 PROOver-ear (circumaural), closed-back wired monitoring headphones

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification

Sennheiser HD 280 PRO

Manufacturer specification · Sennheiser's product page states 'Circumaural (over-ear) fit' in its feature list and 'a circumaural fit' in its comfort copy, and the specification sheet and quick guide both give 'Ear coupling circumaural'; the same product page's technical table alone lists 'Wearing style On-ear'. That single table entry is disclosed here rather than published as the wearing style.

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

Check the exact configuration and source conditions for your use.

Rated total harmonic distortion

HyperX Cloud Alpha Wireless≤ 2%

Sennheiser HD 280 PRO<0.1% at 1 kHz, 100 dB SPL

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications

Sennheiser HD 280 PRO

Manufacturer specification · The quick guide gives the measurement conditions; the specification sheet gives 0.1% without them.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

These published limits can use different input voltages, loudness levels and standards. They cannot establish lower distortion in matched listening conditions.

Show 3 more verified differences

Rated frequency response

HyperX Cloud Alpha Wireless15 Hz – 21 kHz

Sennheiser HD 280 PRO8 Hz–25 kHz

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications

Sennheiser HD 280 PRO

Manufacturer specification · No level tolerance is stated.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

Range endpoints need their stated threshold. They do not describe response flatness or prove better bass, detail or sound quality.

In the box

HyperX Cloud Alpha WirelessHeadset, USB wireless adapter, USB charge cable, detachable microphone, pop filter, quick start guide

Sennheiser HD 280 PROHD 280 PRO headphones, 3.5 mm to 6.3 mm adapter, safety guide

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

Check the exact configuration and source conditions for your use.

Weight

HyperX Cloud Alpha Wireless322 g

Sennheiser HD 280 PRO285 g

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification · HyperX does not state whether the microphone is included. The US page lists 0.7 lb.

Sennheiser HD 280 PRO

Manufacturer specification · Approximate, without cable.

A size or weight trade-off; it does not establish the better product.

Missing or non-comparable evidence (19)

Active noise cancellation

HyperX Cloud Alpha WirelessNot verified

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

The reviewed exact sources do not explicitly establish active noise cancellation presence or absence for listening. Preserve separately documented microphone noise reduction, closed construction or passive attenuation; none negates active ANC. · Manufacturer specification

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications

Sennheiser HD 280 PRO

The reviewed exact sources do not explicitly establish active noise cancellation absence. Preserve separately sourced acoustic design and passive attenuation; they cannot turn omitted ANC into a false capability. · Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Microphone

In Visual facts

HyperX Cloud Alpha WirelessYes

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification · Detachable bi-directional, noise-cancelling microphone with LED status indicator; pop filter supplied.

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications

Sennheiser HD 280 PRO

The reviewed exact sources do not explicitly establish microphone absence. Omission from a package or technical inventory, a stereo audio connector, and a without-remote statement do not establish microphone=false. · Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Battery life

HyperX Cloud Alpha WirelessUp to 300 hours; about 4.5 hours to charge

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification · HyperX's test condition: 50% headphone volume. The charge time appears on the US page only. Manufacturer footnote [2] describes a fully charged headset plugged via USB to a system, with system and media-player volume at 50%; it does not clearly identify whether that USB wording refers to the headset or its wireless adapter. Retain the rated battery claim, but the exact test connection remains unresolved.

Sennheiser HD 280 PRO

The reviewed exact sources do not explicitly establish battery life or that no battery is required for operation. A wired/dynamic audio path, omitted charger or Battery included N is not an explicit operating-power requirement. · Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Software controls

HyperX Cloud Alpha WirelessHyperX NGENUITY software: battery-life check, equalizer and further customisation

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification

Sennheiser HD 280 PRO

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Cable length

HyperX Cloud Alpha WirelessNot verified

Sennheiser HD 280 PRO3 m

Sources

HyperX Cloud Alpha Wireless

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification · Coiled cable: about 1.3 m relaxed, extending to a maximum of 3 m.

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Contact pressure

HyperX Cloud Alpha WirelessNot verified

Sennheiser HD 280 PROApprox. 6 N

Sources

HyperX Cloud Alpha Wireless

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Controls

HyperX Cloud Alpha WirelessOnboard audio controls for volume, mic mute and mic monitoring

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification

Sennheiser HD 280 PRO

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Driver size

HyperX Cloud Alpha Wireless50 mm

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications

Sennheiser HD 280 PRO

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Ear cushions

HyperX Cloud Alpha WirelessMemory foam with premium leatherette

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications

Sennheiser HD 280 PRO

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Construction

HyperX Cloud Alpha WirelessNot verified

Sennheiser HD 280 PRORugged polycarbonate construction; collapsible design that folds down for storage

Sources

HyperX Cloud Alpha Wireless

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Sound pressure level

HyperX Cloud Alpha WirelessNot verified

Sennheiser HD 280 PRO113 dB

Sources

HyperX Cloud Alpha Wireless

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification · No measurement reference is stated.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Microphone

HyperX Cloud Alpha WirelessDetachable electret condenser, bi-directional, noise-cancelling; −15 dBFS/Pa at 1 kHz

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification · HyperX describes the detachable microphone as Discord and TeamSpeak-certified.

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications

Sennheiser HD 280 PRO

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Ambient noise attenuation

HyperX Cloud Alpha WirelessNot verified

Sennheiser HD 280 PROUp to 32 dB (passive)

Sources

HyperX Cloud Alpha Wireless

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Compatibility

HyperX Cloud Alpha WirelessConflicting evidence

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

HyperX's UK and US pages list 'Compatibility: PC' in the specification summary, but the same pages' key-feature list advertises 'Multi-platform compatibility' without naming the platforms. Check the listing for console or mobile support. · Manufacturer specification

Sennheiser HD 280 PRO

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Rated sensitivity

HyperX Cloud Alpha Wireless103 dB SPL/mW at 1 kHz

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification · dB/mW reference.

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications

Sennheiser HD 280 PRO

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Serviceability

HyperX Cloud Alpha WirelessNot verified

Sennheiser HD 280 PROFolding, rotating ear cups; ear cushions and headband padding are replaceable spare parts

Sources

HyperX Cloud Alpha Wireless

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Spatial audio

HyperX Cloud Alpha WirelessDTS Headphone:X spatial audio

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification · HyperX's official US product-page gallery for the Black-Red 4P5D4AA includes an image (03, file hyperx_cloud_alpha_wireless_red_annotated_2_dts_en.jpg) captioned 'DTS® Headphone:X® Spatial Audio', and the UK product page carries a DTS and Headphone:X trademark footnote. Neither page's text describes how it is enabled or on which platforms it works.

Sennheiser HD 280 PRO

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

USB audio

HyperX Cloud Alpha WirelessUSB 2.0, 24-bit

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification

Sennheiser HD 280 PRO

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Wireless range

HyperX Cloud Alpha WirelessUp to 20 m

Sennheiser HD 280 PRONot verified

Sources

HyperX Cloud Alpha Wireless

Manufacturer specification · HyperX notes range may vary with environmental conditions.

HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications

Sennheiser HD 280 PRO

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

0 shared fields have the same recorded value.

YOUR HEADPHONES. YOUR RULES.

Check against your must-haves

Feature matching for the features you select. It doesn’t rate sound or comfort.

Start with your listening setup.

Choose a starting point, then fine-tune your must-haves.

FINE-TUNE THE DETAILS

Your essentials.

These shortcuts select the features shown above. Check the fit against your own equipment and listening space.

A feature match describes the selected requirements. It doesn’t rate sound or comfort.

Open-back designFor a quiet listening spaceClosed-back designAn enclosed outer earcupDetachable cableUnplug the cable at the headphonesBuilt-in microphoneFor calls and voice chatActive noise cancellationNot the same as a closed back

YOUR CHOICE

HyperX Cloud Alpha Wireless

Select a feature to check your fit.

YOUR CHOICE

Sennheiser HD 280 PRO

Select a feature to check your fit.

Feature matching, not a sound-quality score. The specification table links to the evidence for each feature.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

HyperX Cloud Alpha Wireless

What it brings

HyperX rates the battery at up to 300 hours (tested at 50% headphone volume), with a full charge taking about 4.5 hours according to the US page.
Manufacturer source Manufacturer source
The detachable microphone has an LED status indicator, and HyperX lists a wireless range of up to 20 m.
Manufacturer source

What to check

The specification summary names PC, while a feature bullet claims multi-platform compatibility without naming platforms. The documented audio connection uses the 2.4 GHz USB adapter; other input support is not explicitly established.
Manufacturer source Manufacturer source
The manufacturer’s “noise-cancelling” description applies to the microphone. The reviewed exact sources do not explicitly establish active noise cancellation for listening.
Manufacturer source Manufacturer source

Sennheiser HD 280 PRO

What it brings

The closed design is rated for up to 32 dB of passive ambient-noise attenuation for recording and monitoring.
Manufacturer source Manufacturer source Manufacturer source
Ear cushions and headband padding are listed as replaceable spare parts, and the ear cups fold and rotate for transport.
Manufacturer source Manufacturer source

What to check

The single-sided coiled cable stretches from about 1.3 m to 3 m. Sennheiser's documents do not describe it as detachable, and the product page's spare parts list only a 6.3 mm adapter and a pad set, with no replacement cable.
Manufacturer source Manufacturer source
Sennheiser does not state the transducer diameter; the supplied cable uses a 3.5 mm plug with a 6.3 mm adapter.
Manufacturer source Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

28 of 28 specifications Sources in each row

Source-backed specifications for HyperX Cloud Alpha Wireless and Sennheiser HD 280 PRO
Specification	HyperX Cloud Alpha Wireless	Sennheiser HD 280 PRO

Wearing styleDifferent Sources HyperX Cloud Alpha Wireless Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications Sennheiser HD 280 PRO Manufacturer specification · Sennheiser's product page states 'Circumaural (over-ear) fit' in its feature list and 'a circumaural fit' in its comfort copy, and the specification sheet and quick guide both give 'Ear coupling circumaural'; the same product page's technical table alone lists 'Wearing style On-ear'. That single table entry is disclosed here rather than published as the wearing style. Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	Over-ear (circumaural), closed-back wireless gaming headset with aluminium frame	Over-ear (circumaural), closed-back wired monitoring headphones
WeightDifferent Sources HyperX Cloud Alpha Wireless Manufacturer specification · HyperX does not state whether the microphone is included. The US page lists 0.7 lb. HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications Sennheiser HD 280 PRO Manufacturer specification · Approximate, without cable. Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	322 g	285 g
Acoustic designDifferent Sources HyperX Cloud Alpha Wireless Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	Closed-back, dual-chamber driver design	Closed-back
Ear cushions Sources HyperX Cloud Alpha Wireless Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications Sennheiser HD 280 PRO No source recorded.	Memory foam with premium leatherette	Not provided
Contact pressure Sources HyperX Cloud Alpha Wireless No source recorded. Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	Not provided	Approx. 6 N
Construction Sources HyperX Cloud Alpha Wireless No source recorded. Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data	Not provided	Rugged polycarbonate construction; collapsible design that folds down for storage
Serviceability Sources HyperX Cloud Alpha Wireless No source recorded. Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	Not provided	Folding, rotating ear cups; ear cushions and headband padding are replaceable spare parts

Wired / wireless connectionsDifferent Sources HyperX Cloud Alpha Wireless Manufacturer specification · HyperX lists no Bluetooth and no analogue input; the supplied cable is described as a charge cable. HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	2.4 GHz wireless via the supplied USB wireless adapter; USB cable for charging	Wired; single-sided coiled cable (about 1.3 m to 3 m) with 3.5 mm plug and supplied 6.3 mm adapter
Battery life Sources HyperX Cloud Alpha Wireless Manufacturer specification · HyperX's test condition: 50% headphone volume. The charge time appears on the US page only. Manufacturer footnote [2] describes a fully charged headset plugged via USB to a system, with system and media-player volume at 50%; it does not clearly identify whether that USB wording refers to the headset or its wireless adapter. Retain the rated battery claim, but the exact test connection remains unresolved. HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications Sennheiser HD 280 PRO The reviewed exact sources do not explicitly establish battery life or that no battery is required for operation. A wired/dynamic audio path, omitted charger or Battery included N is not an explicit operating-power requirement. · Manufacturer specification Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data	Up to 300 hours; about 4.5 hours to charge	Not listed by the manufacturer
Wireless range Sources HyperX Cloud Alpha Wireless Manufacturer specification · HyperX notes range may vary with environmental conditions. HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications Sennheiser HD 280 PRO No source recorded.	Up to 20 m	Not provided
USB audio Sources HyperX Cloud Alpha Wireless Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications Sennheiser HD 280 PRO No source recorded.	USB 2.0, 24-bit	Not provided
Cable length Sources HyperX Cloud Alpha Wireless No source recorded. Sennheiser HD 280 PRO Manufacturer specification · Coiled cable: about 1.3 m relaxed, extending to a maximum of 3 m. Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	Not provided	3 m

Driver constructionDifferent Sources HyperX Cloud Alpha Wireless Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications Sennheiser HD 280 PRO Manufacturer specification · Sennheiser does not state the transducer diameter on the pages read. Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	Dynamic, 50 mm with neodymium magnets, dual-chamber	Dynamic
Driver size Sources HyperX Cloud Alpha Wireless Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications Sennheiser HD 280 PRO No source recorded.	50 mm	Not provided
Rated frequency responseDifferent Sources HyperX Cloud Alpha Wireless Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications Sennheiser HD 280 PRO Manufacturer specification · No level tolerance is stated. Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	15 Hz – 21 kHz	8 Hz–25 kHz
ImpedanceDifferent Sources HyperX Cloud Alpha Wireless Manufacturer specification · Listed on the UK page; the US page omits impedance. HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	62 ohm	64 ohm
Rated sensitivity Sources HyperX Cloud Alpha Wireless Manufacturer specification · dB/mW reference. HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications Sennheiser HD 280 PRO No source recorded.	103 dB SPL/mW at 1 kHz	Not provided
Rated total harmonic distortionDifferent Sources HyperX Cloud Alpha Wireless Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications Sennheiser HD 280 PRO Manufacturer specification · The quick guide gives the measurement conditions; the specification sheet gives 0.1% without them. Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	≤ 2%	<0.1% at 1 kHz, 100 dB SPL
Spatial audio Sources HyperX Cloud Alpha Wireless Manufacturer specification · HyperX's official US product-page gallery for the Black-Red 4P5D4AA includes an image (03, file hyperx_cloud_alpha_wireless_red_annotated_2_dts_en.jpg) captioned 'DTS® Headphone:X® Spatial Audio', and the UK product page carries a DTS and Headphone:X trademark footnote. Neither page's text describes how it is enabled or on which platforms it works. HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications Sennheiser HD 280 PRO No source recorded.	DTS Headphone:X spatial audio	Not provided
Sound pressure level Sources HyperX Cloud Alpha Wireless No source recorded. Sennheiser HD 280 PRO Manufacturer specification · No measurement reference is stated. Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	Not provided	113 dB

Microphone Sources HyperX Cloud Alpha Wireless Manufacturer specification · Detachable bi-directional, noise-cancelling microphone with LED status indicator; pop filter supplied. HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications Sennheiser HD 280 PRO The reviewed exact sources do not explicitly establish microphone absence. Omission from a package or technical inventory, a stereo audio connector, and a without-remote statement do not establish microphone=false. · Manufacturer specification Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	Yes	Not listed by the manufacturer
Microphone Sources HyperX Cloud Alpha Wireless Manufacturer specification · HyperX describes the detachable microphone as Discord and TeamSpeak-certified. HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications Sennheiser HD 280 PRO No source recorded.	Detachable electret condenser, bi-directional, noise-cancelling; −15 dBFS/Pa at 1 kHz	Not provided
Ambient noise attenuation Sources HyperX Cloud Alpha Wireless No source recorded. Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	Not provided	Up to 32 dB (passive)

Controls Sources HyperX Cloud Alpha Wireless Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications Sennheiser HD 280 PRO No source recorded.	Onboard audio controls for volume, mic mute and mic monitoring	Not provided
Software controls Sources HyperX Cloud Alpha Wireless Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications Sennheiser HD 280 PRO No source recorded.	HyperX NGENUITY software: battery-life check, equalizer and further customisation	Not provided

In the boxDifferent Sources HyperX Cloud Alpha Wireless Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications Sennheiser HD 280 PRO Manufacturer specification Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)	Headset, USB wireless adapter, USB charge cable, detachable microphone, pop filter, quick start guide	HD 280 PRO headphones, 3.5 mm to 6.3 mm adapter, safety guide

Show unverified (2)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Active noise cancellation Sources HyperX Cloud Alpha Wireless The reviewed exact sources do not explicitly establish active noise cancellation presence or absence for listening. Preserve separately documented microphone noise reduction, closed construction or passive attenuation; none negates active ANC. · Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications Sennheiser HD 280 PRO The reviewed exact sources do not explicitly establish active noise cancellation absence. Preserve separately sourced acoustic design and passive attenuation; they cannot turn omitted ANC into a false capability. · Manufacturer specification Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)	Not listed by the manufacturer	Not listed by the manufacturer
Compatibility Sources HyperX Cloud Alpha Wireless HyperX's UK and US pages list 'Compatibility: PC' in the specification summary, but the same pages' key-feature list advertises 'Multi-platform compatibility' without naming the platforms. Check the listing for console or mobile support. · Manufacturer specification HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX UK product page and specifications HyperX Cloud Alpha – Wireless Gaming Headset — official HyperX US product page and technical specifications Sennheiser HD 280 PRO No source recorded.	Conflicting sources	Not provided

First product manufacturer source Second product manufacturer source

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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.