Apple AirPods 4 / Sennheiser ACCENTUM Plus Wireless

Apple AirPods 4: AirPods 4 (2024), the basic model without active noise cancellation; USB‑C charging case. The same-design AirPods 4 with Active Noise Cancellation and the AirPods Pro models are separate.

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.

Specification	Apple AirPods 4	Sennheiser ACCENTUM Plus Wireless
Release year	2024	2024
Type	Open-fit (no silicone tips) wireless earbuds; USB‑C charging case This is the basic AirPods 4 without active noise cancellation. The identical-looking “AirPods 4 with Active Noise Cancellation” is a separate product. Apple	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
Audio technology	Custom high‑excursion Apple driver, custom high dynamic range amplifier; Personalised Spatial Audio with dynamic head tracking; Adaptive EQ Adaptive EQ tunes the sound to the fit in the ear. Spatial Audio needs supported content; the personal profile is created with an iPhone that has a TrueDepth camera. Apple	—
Noise control	Vent system for pressure equalisation; active noise cancellation only on the separately sold ANC model At launch Apple offered two distinct models: AirPods 4 and AirPods 4 with Active Noise Cancellation. This model has an open design that does not seal the ear canal. Apple	—
Chip	H2 headphone chip H2 enables Voice Isolation, Siri Interactions with head gestures and Personalised Spatial Audio. Apple	—
Microphones and sensors	Dual beamforming microphones, inward‑facing microphone, optical in‑ear sensor, motion- and speech-detecting accelerometers, force sensor The speech-detecting accelerometer helps detect when you are speaking; the optical sensor resumes playback when the bud is put in. Apple	—
Controls	Press the stem: once to play/pause or answer, twice to skip forward or end a call, three times to skip back, press and hold for Siri; “Siri” voice activation; nod or shake your head to answer calls Apple’s control list does not include volume adjustment on the stem. Apple	—
Durability	IP54 dust, sweat and water resistance (earbuds and case) According to Apple this is for non-water sports and exercise; resistance is not permanent and may decrease with wear. Do not charge when wet. Apple	—
Battery	Up to 5 hours listening per charge; up to 30 hours total with the case; 5 minutes in the case ≈ 1 hour listening Apple measured these figures at 50% volume with Spatial Audio off. Apple	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
Charging	Charging case with USB‑C port; USB‑C cable sold separately Apple says the case is more than 10 percent smaller in volume than its predecessor. Charging with an Apple Watch charger or Qi-certified charger is specific to the ANC model. Apple	—
Connectivity	Bluetooth 5.3 It works as a Bluetooth headset with Android and other devices, but Apple says functions may be limited. Full features require current iOS, iPadOS, macOS, watchOS or tvOS. Apple	—
Size and weight	Earbud: 30.2 × 18.3 × 18.1 mm, 4.3 g; case: 46.2 × 50.1 × 21.2 mm, 32.3 g Apple	—
Accessibility	Live Listen, headphone levels, Headphone Accommodations Apple	—
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
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
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