Sennheiser ACCENTUM Plus Wireless vs Anker soundcore Space One

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ACCENTUM Plus Wireless compared with Space One

	SennheiserACCENTUM Plus Wireless	Anker soundcoreSpace One
Overview
Released
Released	February 2024	August 2023
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	Yes	Yes
Transparency mode
Transparency mode	Yes	Yes
Driver size
Driver size	37 mm	40 mm
Back
Back	–	Closed
Bluetooth codecs
Bluetooth codecs	SBC, AAC, aptX and aptX Adaptive	SBC, AAC and LDAC
Lossless over USB-C
Lossless over USB-C	Yes	No
Drivers
Drivers	Dynamic transducer, angled; 10 Hz to 22,000 Hz (–10 dB); 106 dB SPL (1 kHz / 0 dBFS); THD < 0.3% (1 kHz, 100 dB SPL)	40 mm customised dynamic drivers
Noise cancelling detail
Noise cancelling detail	Hybrid Adaptive Noise Cancellation; Transparency Mode; ANC and Transparency intensity adjustable in the Smart Control app; wind noise reduction off, auto or max	Adaptive noise cancelling, adjustable noise cancelling and Transparency mode; Easy Chat lowers playback for conversations
Audio features
Audio features	Sound Personalization, sound modes and a 5-band EQ in the Smart Control app; works as a USB audio interface for a laptop or other class-compliant device over the USB-C cable, for music and calls	HearID hearing-based profile, presets and an 8-band equaliser; LDAC on compatible Android devices. SBC, AAC and Bluetooth 5.3 are specified by SoundGuys and Tom's Guide; USB-C does not carry audio (SoundGuys)
Hearing health
Hearing health	–	Safe Volume monitoring and optional maximum volume limit in the soundcore app (SoundGuys and Tom's Guide)
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 50 hours	Up to 40 hours
Battery life detail
Battery life detail	Built-in 700 mAh lithium-ion battery; 50 hours measured with music over Bluetooth and ANC on; full charge in about 3.5 hours (USB-C, 5 V, 700 mA max)	Up to 40 hours with ANC or Transparency, or 55 hours in Normal mode; maker testing uses an iPhone at 50% volume. SoundGuys lists the first release month as August 2023
Charging case
Charging case	–	USB-C charging; a cloth travel pouch rather than a hard carrying case
Fast charging
Fast charging	About 10 minutes for 5 hours	Five minutes of charging provides up to four hours of playback in Normal mode
Design
Weight
Weight	227 g (better)	265 g
Bluetooth
Bluetooth	5.2	5.3
Two devices at once
Two devices at once	Yes	Yes
Headphone cable
Headphone cable	Yes	Yes
Controls
Controls	Touch pad on the right ear cup (tap, swipe); multi-function button for power, voice assistant and pairing; Smart Pause pauses playback when the headphones are taken off	Physical power, playback, volume and NC buttons; optional wearing detection is off by default. Call controls include mute and reject; NC double-press can activate BassUp
Microphones
Microphones	Four MEMS speech microphones in a 2x2 beamforming array; adjustable sidetone for calls	Three microphones with AI call-noise reduction
Fit and ear tips
Fit and ear tips	Around-the-ear (circumaural), closed-back; folds flat into the zip case	Folding ear cups with 8-degree rotation in either direction and a soft headband; current maker weight is 265 g, while SoundGuys' review table gives 259 g
Water resistance detail
Water resistance detail	–	The maker does not describe the headphones as waterproof or sweatproof and publishes no IP rating
Works with
Works with	Sennheiser Smart Control app; two active Bluetooth connections; USB audio with class-compliant devices; 2.5 mm analogue input	Two-device Bluetooth connection, unavailable while using LDAC; Google Fast Pair on Android 6.0 or later. AUX disables Bluetooth and uses the classic EQ while powered on; wearing detection does not work over AUX, and the AUX cable has no microphone
Colours
Colours	Black, White	Jet Black, Sky Blue, Latte Cream and Pink on the current UK maker page
In the box
In the box	Headphones, carry case, USB-C to USB-A cable (approx. 1.2 m), 3.5 mm to 2.5 mm audio cable (approx. 1.2 m), quick guide, safety guide	Headphones, cloth pouch, USB-C charging cable and 3.5 mm AUX cable (SoundGuys)