Search Results for: Ultimate Ears WONDERBOOM 4

Executive Summary - Specification and Supply PositionTL;DR - The Mistairhome WL-PBS05O (PRO) is a 58 mm woofer with a 20 mm tweeter on a two-way crossover driven by a Class D stage with a bridged output and a dynamic power manager, rated 31.0 W with a 60 W peak and producing 92.3 dB at 1 m across 61 Hz to 20 kHz; the pack is 6600 mAh lithium polymer giving 11.9 hours at half volume against 64 minutes at maximum volume, recharging in 5.0 hours from empty over USB-C 5V/3A, 9V/2···