Executive Summary - Specification and Supply PositionTL;DR - The Mistairhome WL-PBS03C (STD) is a 40 mm full-range driver with a neodymium motor and a sealed rear chamber driven by a Class D output stage with a voltage rail held flat as the pack drains, rated 9.5 W with a 22 W peak and producing 86.1 dB at 1 m across 90 Hz to 20 kHz; the pack is 1800 mAh lithium polymer giving 8.4 hours at half volume against 56 minutes at maximum volume, recharging in 2.3 hours from empty ov···