Sennheiser ACCENTUM Plus Wireless / Apple AirPods Max (Lightning, 2020)

Sennheiser ACCENTUM Plus Wireless: ACCENTUM Plus Wireless around-ear wireless headphones; black (700176) and white (700177). The cheaper ACCENTUM Wireless and the higher-end MOMENTUM 4 are separate models.

Apple AirPods Max (Lightning, 2020): AirPods Max 1, the first version with a Lightning charging port (2020); Silver, Space Grey, Sky Blue, Pink and Green. The 2024 USB‑C version and AirPods Max 2 are separate models.

Specification	Sennheiser ACCENTUM Plus Wireless	Apple AirPods Max (Lightning, 2020)
Release year	2024	2020
Type	Headband, around-the-ear (circum-aural) wireless headphones; fold flat Sennheiser promises a light, ergonomic fit with a soft silicone inner headband and cushioned earcups; folded flat it measures about 16.5 × 19.5 × 4.8 cm. Sennheiser	—
Driver	37 mm dynamic; 10 Hz–22 kHz; 106 dB SPL; THD below 0.3% Sennheiser says the driver is mounted at an angle. Impedance is 560 ohms in active mode and 95 ohms in passive (wired, powered off) mode. Sennheiser	—
Noise cancelling	Hybrid adaptive ANC; Transparency mode; automatic anti-wind mode Hybrid ANC measures noise with microphones both outside and inside the earcup; the adaptive version changes the cancellation strength automatically with ambient noise. Transparency mode lets outside sound in with a touch. Sennheiser	—
Bluetooth and codecs	Bluetooth 5.2, class 1; SBC, AAC, aptX, aptX Adaptive; A2DP, AVRCP, HFP, HSP aptX Adaptive is a Qualcomm codec that adjusts bitrate to link quality on compatible devices. Sennheiser	—
Battery	800 mAh lithium-ion; up to 50 hours with ANC on; full charge about 3.5 hours; 5 hours from 10 minutes Sennheiser measured the 50 hours with an iPhone at medium volume; charging is via USB-C at 5 V, up to 700 mA. Sennheiser	Up to 20 hours of listening with Active Noise Cancellation or Transparency on; up to 20 hours of movies with Spatial Audio on; 5 minutes of charge gives about 1.5 hours of listening Apple’s figures come from pre-production tests with an iPhone 12 Pro Max in November 2020. Apple
Controls and sensors	Touchpad on the right earcup; dedicated pairing button; Smart Pause when removed Tap plays or pauses, sliding up and down sets volume, and swiping sideways skips tracks or answers calls. Sennheiser	—
Microphones	Two MEMS microphones with beamforming for noise reduction; 50 Hz–8 kHz Sennheiser	Nine microphones in total: eight for noise cancellation; three for voice pickup (two shared with noise cancellation) Apple
App	Sennheiser Smart Control (iOS and Android); 5-band equaliser, presets, Sound Personalization Sound Personalization adjusts the sound to the user with a listening test developed with the Fraunhofer Institute. Sennheiser	—
In the box	Headphones, USB-C charging cable, carry case, auxiliary (3.5 mm) audio cable, quick guide Sennheiser	—
Weight	227 g Sennheiser	—
Audio technology	—	Apple-designed dynamic driver; Active Noise Cancellation; Transparency mode; Personalised Spatial Audio with dynamic head tracking; Adaptive EQ A Personalised Spatial Audio profile is created with an iPhone that has a TrueDepth camera; the feature needs compatible content and apps. Apple
Chip	—	Apple H1 headphone chip in each ear cup Apple
Sensors	—	Optical, position and case-detect sensors plus an accelerometer in each cup; gyroscope in the left cup The position and optical sensors detect when the headphones are put on or taken off to pause and resume playback. Apple
Controls	—	Digital Crown (volume, play/pause, calls, track skip, Siri) and noise control button Turning the Digital Crown changes the volume; the noise control button switches between Active Noise Cancellation and Transparency mode. Apple
Charging and case	—	Charging via Lightning; the battery enters an ultra-low-power state in the Smart Case The box contains the headphones, the Smart Case and a Lightning to USB‑C cable. There is no separate power button; the Smart Case handles power saving. Apple
Connectivity	—	Bluetooth 5.0 Apple
Size and weight	—	187.3 × 168.6 × 83.4 mm; 384.8 g with cushions; Smart Case 134.5 g Apple
Compatibility	—	Apple devices running the latest iOS, iPadOS, watchOS, macOS or tvOS They work as Bluetooth headphones with Apple devices on older software and with non-Apple devices, but functionality is limited. Apple