Black · WH1000XM4CB.CE7 · UK catalogue
Sony’s Black WH-1000XM4C is a foldable, active noise-cancelling over-ear headphone with Bluetooth and analogue audio. The exact guide states approximately 253 g and preserves different playback limits for AAC/SBC and LDAC.
Specifications checked 17 Oct 2026.
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Manufacturer specificationsBlack · WH-CH730N · UK catalogue
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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Differences first. Select a topic for its graphic, sources and conditions.
Yes and No describe the listed feature. Missing evidence stays unverified.
A detachable cable unplugs at the headphones. A fixed cable does not. Always check the model-specific connector before buying a replacement.
Bluetooth or supplied analogue headphone cable. Manufacturer specification · Only positively documented audio connections are listed. The analogue cable disables Bluetooth; a USB charging connector does not establish USB audio. The headset can play passive analogue audio when turned off.
Bluetooth Classic Audio or compatible LE Audio, or supplied analogue headphone cable. 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.
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.
4 verified differences, most decision-relevant first. Missing information stays separate.
Manufacturer specification · Only positively documented audio connections are listed. The analogue cable disables Bluetooth; a USB charging connector does not establish USB audio. The headset can play passive analogue audio when turned off.
Sony WH-1000XM4C official English Help GuideManufacturer 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.
Sony WH-CH730N official English Help GuideCheck the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer full-charge Bluetooth music maxima. Equalizer, DSEE Extreme, Speak-to-Chat, Service Link and other changes from defaults shorten runtime. Calls have separate 20/16/27-hour limits; powered analogue use has 19/16/32-hour limits for noise cancelling/Ambient Sound/inactive respectively.
Sony WH-1000XM4C official English Help GuideManufacturer 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.
Sony WH-CH730N official English Help GuideManufacturer claims for the stated mode and equipment. Read each test condition; this is not measured everyday battery life.
Manufacturer specification · Positively listed supported music codecs; unlisted formats are not marked unsupported. LDAC playback requires the applicable sound-quality setting and compatible transmitting device.
Sony WH-1000XM4C official English Help GuideManufacturer specification · SBC and AAC are positively listed for Classic Audio; LC3 requires compatible LE Audio. Unlisted codecs are not marked unsupported.
Sony WH-CH730N official English Help GuideCheck the exact configuration and source conditions for your use.
Manufacturer specification · Approximately; the exact source states the mass of this headset.
Sony WH-1000XM4C official English Help GuideManufacturer 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.
Sony WH-CH730N official English Help GuideA size or weight trade-off; it does not establish the better product.
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
Sony WH-1000XM4C official English Help GuideThe retained exact-model specification does not establish a battery capacity in mAh. Operating voltage and playback endurance do not establish this quantity. · Manufacturer specification
Sony WH-CH730N official English Help GuideEvidence is missing or conflicting on at least one side. This is not a verified difference.
The exact retained specification names Bluetooth without a numbered version; no number is inferred from codecs, profiles or another model. · Manufacturer specification
Sony WH-1000XM4C official English Help GuideThe exact retained specification states Bluetooth without a numbered version; no version is inferred from LE Audio, supported codecs or another model. · Manufacturer specification
Sony WH-CH730N official English Help GuideEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · The guide explicitly documents two-device simultaneous Bluetooth connection. It allows switching playback and waiting for calls; this is not simultaneous mixed music from both devices.
Sony WH-1000XM4C official English Help GuideNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · The exact guide expressly permits listening when the headset is turned off; active noise cancelling then cannot be used.
Sony WH-1000XM4C official English Help GuideNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Wireless charging is not established in the retained exact-model evidence; documented USB charging does not establish absence. · Manufacturer specification
Sony WH-1000XM4C official English Help GuideWireless charging is not established in the retained exact-model evidence; documented USB charging does not establish absence. · Manufacturer specification
Sony WH-CH730N official English Help GuideEvidence is missing or conflicting on at least one side. This is not a verified difference.
8 shared fields have the same recorded value.
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| Specification | Sony WH-1000XM4C | Sony WH-CH730N |
|---|---|---|
Wearing style SourcesSony WH-1000XM4C Manufacturer specification · The exact model guide places the earpads over the ears. No unlisted closed/open acoustic construction or measured isolation is inferred. Sony WH-1000XM4C official English Help GuideSony WH-CH730N 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 official English Help Guide | Over-ear headphones | Over-ear headphones |
WeightDifferent SourcesSony WH-1000XM4C Manufacturer specification · Approximately; the exact source states the mass of this headset. Sony WH-1000XM4C official English Help GuideSony 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. Sony WH-CH730N official English Help Guide | 253 g | 207 g |
Water resistance SourcesSony WH-1000XM4C Manufacturer specification · The exact model guide expressly states that the headset is not waterproof. This is a documented manufacturer limitation. Sony WH-1000XM4C official English Help GuideSony WH-CH730N Manufacturer specification · The exact model guide expressly states that the headset is not waterproof. This is a documented manufacturer limitation. Sony WH-CH730N official English Help Guide | Not waterproof | Not waterproof |
Foldable design SourcesSony WH-1000XM4C Manufacturer specification · The exact UK model page positively describes a foldable structure; no durability or packed dimensions are inferred. Sony WH-1000XM4C exact UK colour and configurationSony WH-CH730N Manufacturer specification · The exact UK WH-CH730N product page positively describes a foldable structure; no hinge durability or packed dimensions are inferred. Sony WH-CH730N official UK product page | Yes | Yes |
Wired / wireless connectionsDifferent SourcesSony WH-1000XM4C Manufacturer specification · Only positively documented audio connections are listed. The analogue cable disables Bluetooth; a USB charging connector does not establish USB audio. The headset can play passive analogue audio when turned off. Sony WH-1000XM4C official English Help GuideSony WH-CH730N 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. Sony WH-CH730N official English Help Guide | Bluetooth or supplied analogue headphone cable | Bluetooth Classic Audio or compatible LE Audio, or supplied analogue headphone cable |
Battery lifeDifferent SourcesSony WH-1000XM4C Manufacturer specification · Manufacturer full-charge Bluetooth music maxima. Equalizer, DSEE Extreme, Speak-to-Chat, Service Link and other changes from defaults shorten runtime. Calls have separate 20/16/27-hour limits; powered analogue use has 19/16/32-hour limits for noise cancelling/Ambient Sound/inactive respectively. Sony WH-1000XM4C official English Help GuideSony WH-CH730N 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. Sony WH-CH730N official English Help Guide | AAC or SBC: up to 27 hours music with noise cancelling on, 19 hours with Ambient Sound on, or 34 hours with both inactive. LDAC: up to 20 hours noise cancelling, 16 hours Ambient Sound, or 27 hours inactive. | 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. |
Battery chemistry SourcesSony WH-1000XM4C Manufacturer specification · Built-in lithium-ion batteries are explicitly named. The operating voltage is not converted into a capacity; user replaceability is not inferred. Sony WH-1000XM4C official English Help GuideSony WH-CH730N Manufacturer specification · Built-in lithium-ion batteries are explicitly named. The operating voltage is not converted into a capacity; user replaceability is not inferred. Sony WH-CH730N official English Help Guide | Lithium-ion | Lithium-ion |
Full charge time SourcesSony WH-1000XM4C Manufacturer specification · Approximately; actual charging time varies with conditions of use. Sony WH-1000XM4C official English Help GuideSony WH-CH730N Manufacturer specification · Approximately; actual charging time varies with conditions of use. Sony WH-CH730N official English Help Guide | 3 hours | 3 hours |
Bluetooth codecsDifferent SourcesSony WH-1000XM4C Manufacturer specification · Positively listed supported music codecs; unlisted formats are not marked unsupported. LDAC playback requires the applicable sound-quality setting and compatible transmitting device. Sony WH-1000XM4C official English Help GuideSony WH-CH730N Manufacturer specification · SBC and AAC are positively listed for Classic Audio; LC3 requires compatible LE Audio. Unlisted codecs are not marked unsupported. Sony WH-CH730N official English Help Guide | SBC, AAC, LDAC | SBC, AAC, LC3 |
Simultaneous Bluetooth devices SourcesSony WH-1000XM4C Manufacturer specification · The guide explicitly documents two-device simultaneous Bluetooth connection. It allows switching playback and waiting for calls; this is not simultaneous mixed music from both devices. Sony WH-1000XM4C official English Help GuideSony WH-CH730N No source recorded. | 2 | Not provided |
Analogue listening with power off SourcesSony WH-1000XM4C Manufacturer specification · The exact guide expressly permits listening when the headset is turned off; active noise cancelling then cannot be used. Sony WH-1000XM4C official English Help GuideSony WH-CH730N No source recorded. | Yes | Not provided |
Microphone SourcesSony WH-1000XM4C 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. Sony WH-1000XM4C official English Help GuideSony WH-CH730N 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. Sony WH-CH730N official English Help Guide | Yes | Yes |
Active noise cancellation SourcesSony WH-1000XM4C 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. Sony WH-1000XM4C official English Help GuideSony WH-CH730N 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. Sony WH-CH730N official English Help Guide | Yes | Yes |
Companion software SourcesSony WH-1000XM4C Manufacturer specification · The exact guide names Sound Connect; available functions depend on the connection, device and settings. Sony WH-1000XM4C official English Help GuideSony WH-CH730N Manufacturer specification · Software functions depend on device, connection and settings. The guide and current UK product page name Sound Connect. Sony WH-CH730N official English Help Guide | Sony | Sound Connect | Sony | Sound Connect |
Battery capacity SourcesSony WH-1000XM4C 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 Sony WH-1000XM4C official English Help GuideSony WH-CH730N 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 Sony WH-CH730N official English Help Guide | Not listed by the manufacturer | Not listed by the manufacturer |
|---|---|---|
Wireless charging SourcesSony WH-1000XM4C Wireless charging is not established in the retained exact-model evidence; documented USB charging does not establish absence. · Manufacturer specification Sony WH-1000XM4C official English Help GuideSony WH-CH730N Wireless charging is not established in the retained exact-model evidence; documented USB charging does not establish absence. · Manufacturer specification Sony WH-CH730N official English Help Guide | Not listed by the manufacturer | Not listed by the manufacturer |
Bluetooth version SourcesSony WH-1000XM4C The exact retained specification names Bluetooth without a numbered version; no number is inferred from codecs, profiles or another model. · Manufacturer specification Sony WH-1000XM4C official English Help GuideSony WH-CH730N The exact retained specification states Bluetooth without a numbered version; no version is inferred from LE Audio, supported codecs or another model. · Manufacturer specification Sony WH-CH730N official English Help Guide | Not listed by the manufacturer | Not listed by the manufacturer |
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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.
