Owner's Manual

Welcome to the Audioengine family and congratulations on your
purchase of the Audioengine HD4 music system!
Audioengine
is dedicated to bringing you the highest-quality listening
experience possible and the Audioengine
HD4 was designed with the
same attention
to detail and operational simplicity as our other products.
We wish to sincerely thank our customers and the entire Audioengine
team for the inspiration
to create yet another great product.
What's in the box
H D4 powered (left) speaker
HD4 passive (right) speaker
Speaker grills
Antenna
Speaker wire
(16AWG), 3.75 meters(~ 12.3ft)
AC power cord
USB cable, 1.5 meters (~5 feet)
3.5mm mini-jack audio cable, 2 meters (~6.5ft)
RCA audio cable, 2 meters (~6.5ft)
Cloth speaker bags
Cloth cable bag
Quickstart guide
Features
Built-in analog power amplifiers
High-fidelity Bluetooth® aptX
HD®+ extended wireless range
High-performance headphone amplifier
USB computer audio input
Dual analog audio inputs
Variable preamp/subwoofer audio
output
Custom aramid fiber woofers and silk tweeters
Hand-built cabinets with detachable magnetic grills