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Audioengine Introduces HD4 Wireless Speakers with aptX-HD

At $449 a pair, Audioengine’s latest wireless speaker seeks to provide better bang for the buck for listening in smaller sized rooms.

Audioengine HD4 Wireless Speakers on a shelf

Audioengine, the company known for their desktop powered speakers, is introducing a new model to its legacy HD-series named the HD4. At $449 a pair, the HD4 sits in the middle of the HD-series range between the HD3 ($349) and HD6 ($699), both in terms of price and performance.

The company says the HD4 speakers offer versatile, high-fidelity audio for smaller spaces with excellent music reproduction that surrounds you with a sense of presence that most compact systems often miss. They can be used in a desktop environment with a laptop of PC or on a bookshelf.

Audioengine HD4 Wireless Speakers Front

As with all the speakers in the HD-series, the HD4 features Bluetooth aptX-HD for enhanced wireless fidelity from devices (mainly smartphones and laptops) that support the aptX-HD technology. Although it should be noted Apple has never supported aptX or the improved aptX-HD in any of their products, so there’s no extra benefit if you’re wirelessly connecting an iPhone, iPad or MacBook. Nonetheless, many Android phones do support aptX-HD, which can improve wireless sound quality when the music source is of higher quality.

Besides wireless, HD4 offers wired connections via USB input from a computer, a stereo mini-jack, and RCA inputs and output. The left speaker has a convenient volume/power knob on the front and also contains the internal amplifier. So to connect up the right speaker you’ll need to run a speaker cable (included) into it. Like many wireless speakers, they’re not completely wire-free.

Audioengine HD4 Wireless Speakers Rear

Features

  • Quick and easy setup
  • No network setup, no passwords, no hassle
  • Versatile playback in any room, from any app or device
  • High-fidelity stereo sound for desktops and small spaces
  • Modern, compact design that fits in and fills up any room
  • Low-latency Bluetooth aptX-HD, extended-range wireless streaming
  • Analog input for easy turntable connection
  • Aramid fiber woofers and silk dome tweeters
  • Built-in power amps wrapped in precision tuned, hand-built and  finished wood-veneer cabinets

Specifications Comparison

HD3HD4HD6
MSRP$349.00$499.00$699.00
Power output60W peak power total (15W RMS / 30W peak per channel), AES120W peak power total (30W RMS / 60W peak per channel), AES150W peak power total (50W RMS, 75W peak per channel)
Drivers2.75″ aramid fiber woofers, 3/4″ silk dome tweeters4″ Aramid fiber woofers, 3/4” silk dome tweeters5.5″ aramid fiber woofers, 1″ silk dome tweeters
Frequency response65Hz-22kHz +/-2.0dB60Hz-22kHz +/-1.5dB50Hz-22kHz +/-1.5dB
DACOPA2134AKM AK4396
Inputs3.5mm stereo mini-jack, stereo RCA, USB, Bluetooth3.5mm stereo mini-jack, USB, RCA L/R, Bluetooth3.5mm mini-jack, RCA L/R, digital optical (SPDIF) Bluetooth aptX
BluetoothAAC, aptX, aptX HDaptX HD, aptX with very low latency, aptX, AAC, SBCAAC, aptX, aptX HD
OutputsRCA variable line-out, 3.5mm mini-jack headphone outDual RCA variableVariable line-out w/2.0V RMS max output, 47ohm output impedance
Input voltages110-240V 50/60Hz auto-switching110-240V 50/60Hz auto-switching115/240V, 50/60Hz manually-switchable
Amplifier typeDual analog class A/B monolithicDual analog class A/B monolithicDual analog class A/B monolithic
SNR>95dB (typical A-weighted)>95dB (typical A-weighted)>95dB (typical A-weighted)
THD+N<0.05% at all power settings<0.05% at all power settings<0.05% at all power settings
Crosstalk<50dB<50dB<50dB
Analog input impedance5K ohms unbalanced48Kohms unbalanced (mini-jack and RCA inputs)
Weight (LEFT speaker)4 lbs (1.8kg)17.5 lbs (8kg)
Weight (RIGHT speaker)3.4lbs (1.5kg)12.5 lbs (5.5kg)
Dimensions, each speaker (HWD):7” x 4.25” x  5.5”6.5” x 5.5″ x 9”11.75″ x 7.25”  x 10”
ColorsSatin Black, High-Gloss White, WalnutSatin Black, WalnutSatin Black, High-Gloss White, Walnut, Cherry

Price & Availability

The Audioengine HD4 wireless speakers are available now for $449 at Amazon, direct from audioengineusa.com and from over 400 authorized worldwide resellers.

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