Audioengine HD4 Home Music System w/Bluetooth aptX-HD

Fill any room with amazing stereo sound.
HD4 can connect either wired or wirelessly, so you can play your music from your computer, phone, tablet, even your turntable or cassette player. Use any music app or device you like.
HD4 also has a headphone amplifier, so you can listen to your music privately with crystal clear sound.

Designed for smaller spaces, Audioengine HD4 provides rich and vibrant audio reproduction that smaller systems often lack. HD4 combines the power of the larger HD6 with the convenience of the smaller HD3.

You don’t have to sacrifice sound quality when you’ve got limited space. HD4 designed to take on space limitations, it is the perfect choice when your surface area is minimal and exceptional performance is a priority. As stylish as they are compact, the HD4 will easily fit in any small space and fit in with any style of decor.

HD4 gives you the choice of connecting via USB, analog, or Bluetooth aptX-HD from your phone, tablet or computer. Bluetooth aptX-HD gives you CD-like quality sound and extended-range wireless that connects quickly and easily.

Enjoy all of your music services, tune into your favorite podcast, or listen to anything and everything from your personal music library.

This system provides brilliant highs and thumping lows. It’s the difference between listening to your music and experiencing it.

What's in the box
● 1 HD4 Home Music System w/Bluetooth aptX-HD powered (left) speaker
● 1 HD4 Home Music System w/Bluetooth aptX-HD passive (right) speaker
● 1 Antenna
● 1 Speaker wire (16AWG)
● 1 AC power cord
● 1 USB cable
● 1 Mini-jack audio cable
● 1 RCA audio cable
● 2 Microfiber speaker bag
● 2 Microfiber cable bag
● 1 Setup guide

General Specifications
Type
Powered Bluetooth aptX HD speaker system

Amplifier Type
Class AB

Power Output
120 W peak power total (30 W RMS / 60 W peak per channel), AES

Drivers
4" aramid fiber woofers

0.75" silk dome tweeters

Inputs
3.5 mm stereo mini-jack, USB, RCA L/R, Bluetooth

Outputs
RCA variable line-out, 3.5 mm mini-jack headphone out

Input Voltages
110-240 V 50/60 Hz auto-switching

SNR
>95 dB (typical A-weighted)

THD+N
<0.05% at all power settings

Crosstalk
<50 dB

Frequency Response
60 Hz-22 kHz ±1.5 dB

Input Impedence
5K ohms unbalanced

Protection
Output current limiting, thermal over-temperature, power on/off transient protection

Power Consumption
Idle: 10W

Internal D/A Converter
PCM 5102

Input Bit Depth
24 bit (padded)

Bluetooth Receiver Type
Bluetooth 5.0

Supported Codecs
aptX HD, aptX, AAC, SBC

Supported Bluetooth Profiles
N/A

Wireless Operation Range
Up to 100 ft (30 m) typical

Input Data Rate
Determined by Bluetooth

Wireless Latency
~30 milliseconds (ms)

Connector Type
Micro-USB

USB Device Class
USB 1.1 or above

Input Bit Depth
24 bit (padded)

Input Sample Rate
44.1 kHz/48 kHz

Headphone Amp Type
OPA2134

Full-scale Headphone Output Level
2.0 V RMS

Output Impedence
2 ohms

Recommended Headphone Impedence Level
10 ohms to 10K ohms

Weight
Left (active) - 7 lb (3.2 kg)
Right (passive) - 5.2 lb (2.4 kg)

Dimensions (HWD)
Each speaker - 9"(23 cm) x 5.5" (14 cm) x 6.5" (16.5 cm)