Beats Solo 4 vs Beats Solo3 Wireless

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Solo 4 compared with Solo3 Wireless

	BeatsSolo 4	BeatsSolo3 Wireless
Overview
Released
Released	May 2024	September 2016
Sound
Type
Type	On-ear	On-ear
Noise cancelling
Noise cancelling	No	No
Transparency mode
Transparency mode	No	–
Spatial audio with head tracking
Spatial audio with head tracking	Yes	–
Driver size
Driver size	40 mm	–
Back
Back	Closed	–
Bluetooth codecs
Bluetooth codecs	SBC and AAC	SBC and AAC
Chip
Chip	–	Apple W1
Lossless over USB-C
Lossless over USB-C	Yes	–
Drivers
Drivers	Custom-built 40 mm transducers	–
Audio features
Audio features	Personalised Spatial Audio with dynamic head tracking on compatible Apple devices; creating a personalised profile requires an iPhone with a TrueDepth camera; lossless audio over USB-C	SBC and AAC Bluetooth codecs; no active noise cancellation (SoundGuys)
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	Apple's playback test used 256 Kbps AAC tracks at 50% volume; 3.5 mm passive playback requires no battery power; USB-C audio can play while charging	–
Fast charging
Fast charging	Fast Fuel gives up to 5 hours of playback from 10 minutes of charging	A 5-minute micro-USB Fast Fuel charge gives up to 3 hours of playback
Design
Weight
Weight	217 g	–
Bluetooth
Bluetooth	5.3	–
Two devices at once
Two devices at once	No	–
Headphone cable
Headphone cable	Yes	Yes
Controls
Controls	Physical b button for playback and calls; volume buttons and power button; Siri on compatible Apple devices	Ear-cup buttons for playback, volume, calls and the paired device's voice assistant
Microphones
Microphones	Multiple digital beamforming microphones with a voice-targeting algorithm	–
Fit and ear tips
Fit and ear tips	Folding headband with brushed metal hinges, ergonomically angled ear cups and UltraPlush cushions	Flexible headband, rotating ear cups and folding design
Dimensions
Dimensions	Length 17.7 cm, width 15.8 cm, height 6.8 cm (Beats' published dimensions)	–
Water resistance detail
Water resistance detail	No water or sweat resistance rating published	–
Works with
Works with	Class 1 Bluetooth; one-touch pairing and automatic pre-pairing across iCloud or Google accounts, Apple Find My and Android Find My Device; SBC and AAC codecs (SoundGuys); no simultaneous Bluetooth multipoint (TechRadar)	Apple W1 pairing and Class 1 Bluetooth; 3.5 mm wired listening (SoundGuys); iOS and Android compatible
Colours
Colours	Matte Black, Slate Blue, Cloud Pink	Originally Gloss White, Gloss Black, Silver, Gold, Rose Gold and Black
In the box
In the box	Headphones, carrying case, USB-C to USB-C cable, 3.5 mm audio cable, quick start guide and warranty card	Headphones, soft carrying case with carabiner, 3.5 mm audio cable and micro-USB charging cable (SoundGuys)