Search Results for: Class D Amplifier

Executive Summary - Specification and Supply PositionTL;DR - The Mistairhome WL-OHF01C (PRO) is a Brushless three-phase BLDC, sensorless drive unit running to 13000 RPM, delivering 8.7 m/s at 150 mm and 40.4 CFM; the pack is 6200 mAh lithium polymer giving 14.3 hours on the lowest step and recharging in 2.6 hours from empty on 5V/2A; speed control is 5 fixed steps plus stepless on the top step; it measures 35.7 dB at 1 m in operation, draws 8 W from USB-C 5V/2A, weighs 234 g,···

Executive Summary: Class D Amplifier by MistAirHomeTL;DR: A mini Bluetooth speaker is not a phone speaker with a bigger case - it is a sealed audio system: a precision driver and passive radiator tuned in a chamber, a Class-D amplifier with DSP EQ, a certified Bluetooth 5.3 module, a protected lithium battery and an honest IP water rating. MistAirHome is the consumer electronics brand of Wanlin Manufacturing Group, building eight mini speaker families in Shenzhen: pocket, egg···