Beats Solo 4 vs Beats Solo Pro

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Solo 4 compared with Solo Pro

	BeatsSolo 4	BeatsSolo Pro
Overview
Released
Released	May 2024	October 2019
Sound
Type
Type	On-ear	On-ear
Noise cancelling
Noise cancelling	No	Yes
Transparency mode
Transparency mode	No	Yes
Spatial audio with head tracking
Spatial audio with head tracking	Yes	–
Driver size
Driver size	40 mm	–
Back
Back	Closed	Closed
Bluetooth codecs
Bluetooth codecs	SBC and AAC	AAC
Chip
Chip	–	Apple H1
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	Adaptive Pure ANC; transparency mode; Audio Sharing with compatible Apple devices
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 50 hours	Up to 22 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	Up to 22 hours with noise cancellation or transparency mode, or up to 40 hours with both off
Fast charging
Fast charging	Fast Fuel gives up to 5 hours of playback from 10 minutes of charging	A 10-minute Lightning Fast Fuel charge gives up to 3 hours of playback
Design
Weight
Weight	217 g	–
Bluetooth
Bluetooth	5.3	5.0
Two devices at once
Two devices at once	No	No
Headphone cable
Headphone cable	Yes	–
Controls
Controls	Physical b button for playback and calls; volume buttons and power button; Siri on compatible Apple devices	Right-ear button for playback, calls, volume and Siri; left-ear button changes listening mode; unfold to switch on and fold to switch off
Microphones
Microphones	Multiple digital beamforming microphones with a voice-targeting algorithm	Two beamforming microphones and a speech-detecting accelerometer
Fit and ear tips
Fit and ear tips	Folding headband with brushed metal hinges, ergonomically angled ear cups and UltraPlush cushions	On-ear cushions, adjustable metal sliders and a folding headband; closed-back design (SoundGuys)
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 H1 pairing and hands-free Siri; Bluetooth 5.0, AAC and no simultaneous Bluetooth multipoint (SoundGuys); Beats app for Android
Colours
Colours	Matte Black, Slate Blue, Cloud Pink	Black, Ivory, Grey, Dark Blue, Light Blue, Red
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	–