Detailed Review

The Beats Solo 4 represent a solid refresh to the popular Solo line, combining impressive battery endurance with genuine portability. The 50-hour battery life is a legitimate standout feature that positions these headphones as ideal travel companions and commute essentials. Our evaluation of the specifications reveals a thoughtfully engineered product that prioritizes practical listening scenarios over flashy features, with the lightweight 217-gram construction and flexible headband design delivering real comfort during extended wear sessions.

Sound quality benefits from custom acoustic architecture and updated drivers that deliver the signature warm, bass-forward Beats character. The addition of Personalized Spatial Audio with dynamic head tracking adds a modern touch for compatible content, though standard stereo playback remains the everyday experience. Class 1 Bluetooth connectivity ensures reliable pairing and extended range, while the dual iOS and Android compatibility means these headphones integrate smoothly regardless of your device ecosystem.

Where the Solo 4 excel is in their practical value proposition: exceptional battery life, genuine comfort for all-day wear, fast charging, and reliable performance across multiple devices. The UltraPlush ear cushions and ergonomic design show attention to comfort details that justify extended listening sessions. These headphones make sense for users prioritizing longevity between charges and portability over noise isolation or studio-grade audio precision.

Key Features

  • 50-hour battery life keeps you listening for weeks between charges
  • Ultra-lightweight at just 217 grams for all-day comfort without fatigue
  • Fast Fuel technology: 10-minute charge delivers 5 hours of playback
  • Personalized Spatial Audio with dynamic head tracking for immersive sound
  • Seamless dual compatibility with one-touch pairing for iOS and Android devices
  • Class 1 Bluetooth provides extended range and stable, dropout-free connections
  • Premium build with UltraPlush ear cushions and flexible headband design

Specifications

Product Dimensions‎8.23 x 5.2 x 3.7 inches
Item Weight‎217 Grams
Item model number‎MUW23LL/A
Batteries‎1 Lithium Ion batteries required.
Date First Available‎April 30, 2024
Charging Time‎2.15 Hours
Units‎1.0 Count
Number Of Items‎1
BrandBeats
ColorMatte Black
Ear PlacementOn Ear
Form FactorOn-Ear
Impedance32 Ohms
WeightWeight: 7.65 oz./217 g
DimensionsLength: 6.9 in./17.7 cm, Width: 6.2 in./15.8 cm, Height: 2.7 in./6.8 cm
ConnectivityClass 1 Wireless Bluetooth®, USB-C audio, 3.5 mm analog input for wired audio sources
Power and BatteryBeats Solo 4 (single charge): up to 50 hours of listening time, Fast Fuel: a 10-minute charge provides up to 5 hours of playback
Release Date4/30/2024