Audio Engine HD3 Home Music System w/ Bluetooth APTX-HD, Powered Speakers - Pair (Black) Brand_Semitone •"LEVEL" knob: set the level

•"LEVEL" knob: set the level of delayed signal

Taper: Audio

POLY – Polyphonic reverb

Create a bunch of BOARDS

simply screws onto the half- or full-length Shelf Kit frame

Audio Engine HD3 Home Music System w/ Bluetooth APTX-HD, Powered Speakers - Pair (Black) Brand_Semitone •"LEVEL" knob: set the levelHD3 HOME MUSIC SYSTEM W BLUETOOTH APTX HD The HD3 premium powered speakers are a mini home music system with high fidelity true stereo sound for smaller spaces and desktops. It features wired or wireless connections, including USB audio from your computer, extended range wireless aptX HD Bluetooth from your phone, tablet or computer, or good old analog from that turntable or prized tape deck. The HD3 system also features a high quality headphone