Sony’s Black WH-CH730N is a foldable, active noise-cancelling over-ear headphone with Bluetooth and analogue listening. The manufacturer states approximately 207 g and up to 50 hours of AAC or SBC music playback with noise cancelling enabled.
Specifications checked 17 Oct 2026.
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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 SIDE6 topics
Yes and No describe the listed feature. Missing evidence stays unverified.
SELECTED TOPIC
01 / 06
Open-back design
Open-back earcups are not sealed. Start here if your listening space is quiet; this construction is not a sound-quality rating.
Sony WH-CH730N · Black · WH-CH730N · UK catalogueNot verifiedSony WH-CH730N · UK WHCH730NL.CE7 · BlueNot verified
Closed. Manufacturer specification · General Features / HEADPHONE TYPE: Closed
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.
3 verified differences, most decision-relevant first. Missing information stays separate.
Sony WH-CH730N · Black · WH-CH730N · UK catalogueSony WH-CH730N · UK WHCH730NL.CE7 · Blue
Wired / wireless connections
Sony WH-CH730N · Black · WH-CH730N · UK catalogueBluetooth Classic Audio or compatible LE Audio, or supplied analogue headphone cable
Sony WH-CH730N · UK WHCH730NL.CE7 · BluePLUG (Gold-plated L-shaped stereo mini plug); INPUT(S) (Stereo Mini Jack); Bluetooth wireless; INPUT(S) (Stereo Mini Jack)
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
Manufacturer specification · Only positively documented audio connections are listed. A charging USB connector is not represented as USB audio. Analogue listening uses the supplied headphone cable. Numbered Bluetooth version remains separately unverified.
Manufacturer specification · Original analogue/USB inputs and Bluetooth version declarations remain separate. A connector does not establish every host protocol or a microphone path. General Features / PLUG: Gold-plated L-shaped stereo mini plug; General Features / INPUT(S): Stereo Mini Jack; Bluetooth® Specification / BLUETOOTH® CORE VERSION: Bluetooth Specification Version6.0; Processor/Transmitter / INPUT(S): Stereo Mini Jack
Check the exact configuration and source conditions for your use.
Battery life
Sony WH-CH730N · Black · WH-CH730N · UK catalogueAAC or SBC: up to 50 hours music playback with noise cancelling or Ambient Sound active, or 75 hours with both inactive. LC3: up to 45 hours active or 70 hours inactive.
Sony WH-CH730N · UK WHCH730NL.CE7 · BlueBATTERY CHARGE TIME (Approx. 3 hrs); BATTERY CHARGE METHOD (USB); BATTERY LIFE(CONTINUOUS MUSIC PLAYBACK TIME) (Max. 50 hrs (NC ON), Max. 75 hrs (NC OFF)); BATTERY LIFE(CONTINUOUS COMMUNICATION TIME) (Max. 35 hrs (NC ON), Max. 40 hrs (NC OFF))
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
Manufacturer specification · Manufacturer full-charge Bluetooth music-playback maxima. Equalizer, DSEE, Service Link and other changes from default settings shorten runtime; combining settings can shorten it further. Calls and powered analogue use have separate 35-hour active or 40-hour inactive limits.
Manufacturer claims for the stated mode and equipment. Read each test condition; this is not measured everyday battery life.
Wearing style
Sony WH-CH730N · Black · WH-CH730N · UK catalogueOver-ear headphones
Sony WH-CH730N · UK WHCH730NL.CE7 · BlueOver Ear
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
Manufacturer specification · The exact model is worn over the ears. Closed dynamic construction is stated only for INZONE H9 II in its exact UK specification table; no construction negative is inferred for WH-CH730N.
Sony WH-CH730N · Black · WH-CH730N · UK catalogueYes
Sony WH-CH730N · UK WHCH730NL.CE7 · BlueNot verified
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
Manufacturer specification · The exact model guide documents voice pickup and call or chat controls; microphone noise filtering does not establish measured attenuation or call quality.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Unqualified nominal impedance
Sony WH-CH730N · Black · WH-CH730N · UK catalogueNot verified
Sony WH-CH730N · UK WHCH730NL.CE7 · BlueNot verified
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded for this side.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
The source does not supply one unqualified nominal impedance. Its operating-state declarations remain separately available. · Manufacturer specification
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Battery capacity
Sony WH-CH730N · Black · WH-CH730N · UK catalogueNot verified
Sony WH-CH730N · UK WHCH730NL.CE7 · BlueNot verified
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
The retained exact-model specification does not establish a battery capacity in mAh. Operating voltage and playback endurance do not establish this quantity. · Manufacturer specification
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Battery chemistry
Sony WH-CH730N · Black · WH-CH730N · UK catalogueLithium-ion
Sony WH-CH730N · UK WHCH730NL.CE7 · BlueNot verified
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
Manufacturer specification · Built-in lithium-ion batteries are explicitly named. The operating voltage is not converted into a capacity; user replaceability is not inferred.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Bluetooth version
Sony WH-CH730N · Black · WH-CH730N · UK catalogueNot verified
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue6.0
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
The exact retained specification states Bluetooth without a numbered version; no version is inferred from LE Audio, supported codecs or another model. · Manufacturer specification
Manufacturer specification · Bluetooth® Specification / BLUETOOTH® CORE VERSION: Bluetooth Specification Version6.0. A version alone does not establish every optional protocol or host feature.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Bluetooth codecs
Sony WH-CH730N · Black · WH-CH730N · UK catalogueSBC, AAC, LC3
Sony WH-CH730N · UK WHCH730NL.CE7 · BlueNot verified
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
Manufacturer specification · SBC and AAC are positively listed for Classic Audio; LC3 requires compatible LE Audio. Unlisted codecs are not marked unsupported.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Foldable design
Sony WH-CH730N · Black · WH-CH730N · UK catalogueYes
Sony WH-CH730N · UK WHCH730NL.CE7 · BlueNot verified
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
Manufacturer specification · The exact UK WH-CH730N product page positively describes a foldable structure; no hinge durability or packed dimensions are inferred.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer impedance and operating states
Sony WH-CH730N · Black · WH-CH730N · UK catalogueNot verified
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue100 ohms (1 kHz) (when connecting via the headphone cable with the unit turned on), 25 ohms (1 kHz) (when connecting via the headphone cable with the unit turned off)
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded for this side.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · General Features / IMPEDANCE (OHM): 100 ohms (1 kHz) (when connecting via the headphone cable with the unit turned on) , 25 ohms (1 kHz) (when connecting via the headphone cable with the unit turned off)
Evidence is missing or conflicting on at least one side. This is not a verified difference.
COLOUR
Sony WH-CH730N · Black · WH-CH730N · UK catalogueNot verified
Sony WH-CH730N · UK WHCH730NL.CE7 · BluePink Blue Beige White Black
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded for this side.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · Literal manufacturer model-column row: COLOUR: Pink Blue Beige White Black. These are model-wide finish options; the exact selected part’s finish is listed separately.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Eco and Energy Saving — OFF MODE / STANDBY MODE / LOW POWER MODE ACTIVATED
Sony WH-CH730N · Black · WH-CH730N · UK catalogueNot verified
Sony WH-CH730N · UK WHCH730NL.CE7 · BlueWhen this product is connected to the AC adaptor, it immediately enters low power mode after charging is completed.
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded for this side.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · Literal manufacturer model-column row: Eco and Energy Saving / OFF MODE / STANDBY MODE / LOW POWER MODE ACTIVATED: When this product is connected to the AC adaptor, it immediately enters low power mode after charging is completed.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Eco and Energy Saving — POWER CONSUMPTION (NETWORKED STANDBY MODE) - TERMINALS
Sony WH-CH730N · Black · WH-CH730N · UK catalogueNot verified
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue0.5 W (Headphone jack, Bluetooth® function, all terminals and networks connected)
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded for this side.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · Literal manufacturer model-column row: Eco and Energy Saving / POWER CONSUMPTION (NETWORKED STANDBY MODE) - TERMINALS: 0.5 W (Headphone jack, Bluetooth® function, all terminals and networks connected)
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Eco and Energy Saving — TECHNICAL CHARACTERISTICS OF THE AC ADAPTOR THAT CAN BE USED WITH THE PRODUCT
Sony WH-CH730N · Black · WH-CH730N · UK catalogueNot verified
Sony WH-CH730N · UK WHCH730NL.CE7 · BlueA commercially available USB AC adaptor capable of supplying an output current of 0.5 A or more.
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded for this side.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · Literal manufacturer model-column row: Eco and Energy Saving / TECHNICAL CHARACTERISTICS OF THE AC ADAPTOR THAT CAN BE USED WITH THE PRODUCT: A commercially available USB AC adaptor capable of supplying an output current of 0.5 A or more.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Eco and Energy Saving — WIRELESS NETWORK(S) ON/OFF SWITCH
Sony WH-CH730N · Black · WH-CH730N · UK catalogueNot verified
Sony WH-CH730N · UK WHCH730NL.CE7 · BlueBluetooth function can be deactivated by inserting the supplied headphone cable into the headphone jack. Remove the headphone cable and press the power button for at least 2 seconds to activate Bluetooth function.
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded for this side.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · Literal manufacturer model-column row: Eco and Energy Saving / WIRELESS NETWORK(S) ON/OFF SWITCH: Bluetooth function can be deactivated by inserting the supplied headphone cable into the headphone jack. Remove the headphone cable and press the power button for at least 2 seconds to activate Bluetooth function.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer sensitivity and reference
Sony WH-CH730N · Black · WH-CH730N · UK catalogueNot verified
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue108 dB / mW (when connecting via the headphone cable with the unit turned on), 100 dB / mW (when connecting via the headphone cable with the unit turned off)
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded for this side.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · General Features / SENSITIVITIES (DB/MW): 108 dB / mW (when connecting via the headphone cable with the unit turned on) , 100 dB / mW (when connecting via the headphone cable with the unit turned off). Preserve the manufacturer’s dB/mW reference; no dB/V or independent measurement is substituted.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Wireless charging
Sony WH-CH730N · Black · WH-CH730N · UK catalogueNot verified
Sony WH-CH730N · UK WHCH730NL.CE7 · BlueNot verified
Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
Wireless charging is not established in the retained exact-model evidence; documented USB charging does not establish absence. · Manufacturer specification
These are manufacturer claims. Unlisted capabilities remain unknown, and battery modes, headphone mass and separate charging-case measurements retain their source conditions.
Source-backed specifications for Sony WH-CH730N · Black · WH-CH730N · UK catalogue and Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Specification
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Wearing styleDifferentSources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
Manufacturer specification · The exact model is worn over the ears. Closed dynamic construction is stated only for INZONE H9 II in its exact UK specification table; no construction negative is inferred for WH-CH730N.
Manufacturer specification · Approximately; the exact WH-CH730N/WH-CH735N model guide and UK WH-CH730N page state 207 g. No other model mass or cable-inclusive basis is substituted.
Manufacturer specification · The exact UK WH-CH730N product page positively describes a foldable structure; no hinge durability or packed dimensions are inferred.
Manufacturer specification · Literal manufacturer model-column row: COLOUR: Pink Blue Beige White Black. These are model-wide finish options; the exact selected part’s finish is listed separately.
Manufacturer specification · Only positively documented audio connections are listed. A charging USB connector is not represented as USB audio. Analogue listening uses the supplied headphone cable. Numbered Bluetooth version remains separately unverified.
Manufacturer specification · Original analogue/USB inputs and Bluetooth version declarations remain separate. A connector does not establish every host protocol or a microphone path. General Features / PLUG: Gold-plated L-shaped stereo mini plug; General Features / INPUT(S): Stereo Mini Jack; Bluetooth® Specification / BLUETOOTH® CORE VERSION: Bluetooth Specification Version6.0; Processor/Transmitter / INPUT(S): Stereo Mini Jack
Bluetooth Classic Audio or compatible LE Audio, or supplied analogue headphone cable
PLUG (Gold-plated L-shaped stereo mini plug); INPUT(S) (Stereo Mini Jack); Bluetooth wireless; INPUT(S) (Stereo Mini Jack)
Battery lifeDifferentSources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
Manufacturer specification · Manufacturer full-charge Bluetooth music-playback maxima. Equalizer, DSEE, Service Link and other changes from default settings shorten runtime; combining settings can shorten it further. Calls and powered analogue use have separate 35-hour active or 40-hour inactive limits.
AAC or SBC: up to 50 hours music playback with noise cancelling or Ambient Sound active, or 75 hours with both inactive. LC3: up to 45 hours active or 70 hours inactive.
Manufacturer specification · Built-in lithium-ion batteries are explicitly named. The operating voltage is not converted into a capacity; user replaceability is not inferred.
Manufacturer specification · SBC and AAC are positively listed for Classic Audio; LC3 requires compatible LE Audio. Unlisted codecs are not marked unsupported.
The exact retained specification states Bluetooth without a numbered version; no version is inferred from LE Audio, supported codecs or another model. · Manufacturer specification
Manufacturer specification · Bluetooth® Specification / BLUETOOTH® CORE VERSION: Bluetooth Specification Version6.0. A version alone does not establish every optional protocol or host feature.
Eco and Energy Saving — POWER CONSUMPTION (NETWORKED STANDBY MODE) - TERMINALSSources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · Literal manufacturer model-column row: Eco and Energy Saving / POWER CONSUMPTION (NETWORKED STANDBY MODE) - TERMINALS: 0.5 W (Headphone jack, Bluetooth® function, all terminals and networks connected)
0.5 W (Headphone jack, Bluetooth® function, all terminals and networks connected)
Eco and Energy Saving — OFF MODE / STANDBY MODE / LOW POWER MODE ACTIVATEDSources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · Literal manufacturer model-column row: Eco and Energy Saving / OFF MODE / STANDBY MODE / LOW POWER MODE ACTIVATED: When this product is connected to the AC adaptor, it immediately enters low power mode after charging is completed.
This product enters networked standby mode immediately after audio playback is stopped.
Eco and Energy Saving — WIRELESS NETWORK(S) ON/OFF SWITCHSources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · Literal manufacturer model-column row: Eco and Energy Saving / WIRELESS NETWORK(S) ON/OFF SWITCH: Bluetooth function can be deactivated by inserting the supplied headphone cable into the headphone jack. Remove the headphone cable and press the power button for at least 2 seconds to activate Bluetooth function.
Bluetooth function can be deactivated by inserting the supplied headphone cable into the headphone jack. Remove the headphone cable and press the power button for at least 2 seconds to activate Bluetooth function.
Eco and Energy Saving — TECHNICAL CHARACTERISTICS OF THE AC ADAPTOR THAT CAN BE USED WITH THE PRODUCTSources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · Literal manufacturer model-column row: Eco and Energy Saving / TECHNICAL CHARACTERISTICS OF THE AC ADAPTOR THAT CAN BE USED WITH THE PRODUCT: A commercially available USB AC adaptor capable of supplying an output current of 0.5 A or more.
Manufacturer impedance and operating statesSources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · General Features / IMPEDANCE (OHM): 100 ohms (1 kHz) (when connecting via the headphone cable with the unit turned on) , 25 ohms (1 kHz) (when connecting via the headphone cable with the unit turned off)
100 ohms (1 kHz) (when connecting via the headphone cable with the unit turned on), 25 ohms (1 kHz) (when connecting via the headphone cable with the unit turned off)
Manufacturer sensitivity and referenceSources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · General Features / SENSITIVITIES (DB/MW): 108 dB / mW (when connecting via the headphone cable with the unit turned on) , 100 dB / mW (when connecting via the headphone cable with the unit turned off). Preserve the manufacturer’s dB/mW reference; no dB/V or independent measurement is substituted.
108 dB / mW (when connecting via the headphone cable with the unit turned on), 100 dB / mW (when connecting via the headphone cable with the unit turned off)
General Features — FREQUENCY RESPONSE (ACTIVE OPERATION)Sources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
No source recorded.
Sony WH-CH730N · UK WHCH730NL.CE7 · Blue
Manufacturer specification · Literal manufacturer model-column row: General Features / FREQUENCY RESPONSE (ACTIVE OPERATION): 6 Hz - 20 000 Hz (JEITA)
Manufacturer specification · The exact model guide documents voice pickup and call or chat controls; microphone noise filtering does not establish measured attenuation or call quality.
Manufacturer specification · The exact guide positively names a noise-cancelling headset and documents its active noise-cancelling mode. Presence is not an independently measured attenuation result.
Show unverified (3)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.
Specifications without verified values for either product
Battery capacitySources
Sony WH-CH730N · Black · WH-CH730N · UK catalogue
The retained exact-model specification does not establish a battery capacity in mAh. Operating voltage and playback endurance do not establish this quantity. · Manufacturer specification
Wireless charging is not established in the retained exact-model evidence; documented USB charging does not establish absence. · Manufacturer specification
The source does not supply one unqualified nominal impedance. Its operating-state declarations remain separately available. · Manufacturer specification
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.
