Audioengine HD4 is a 2-way Powered Bass Reflex Bookshelf speaker by Audioengine. HD4's built-in amplifier provides 60-watt RMS( 120-watt Peak). The built-in power amplifier saves space & eliminates the need to connect Audioengine HD4 to a stereo receiver or external power amp. It features a 0.75" Soft-Dome Tweeter and 1 x 4" Aramid Woofer. The speaker has a frequency range of 60-22k Hz. Audioengine HD4 has an MSRP of 449$ per pair.
Audioengine's HD Series of Loudspeakers
HD4 is a member of Audioengine's HD series of Powered speakers. Below you can see the main specs of these speakers.
Audioengine HD Series Speakers
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Frequency Response of the Audioengine HD4 Speaker
Audioengine HD4 has a Frequency response range of 60-22k Hz at ±3dB. With a minimum frequency of 60 Hz, HD4 delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.
To focus on the subwoofers that are in a similar price range with Audioengine HD4, check out the Powered Subwoofers under $500. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how HD4's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Bookshelf Speakers
High Frequency
Bookshelf Speakers
Audioengine HD4 Back View
Handheld Remote
Audioengine HD4 comes with a handheld remote which is obviously very useful to control your powered speakers from a distance.
Bluetooth Connectivity
Audioengine HD4 employs Built-in 5.0 Bluetooth for wireless music streaming from your Bluetooth-enabled devices such as Apple iPod/iPhone/iPad, Android smartphone/tablet, Windows PC, Mac computers/laptops. HD4 can playback up to 24-bit / 48 kHz with compatible devices.
Audioengine HD4 supports the following Bluetooth Codecs when used with supported devices:
Inputs and Outputs
- 3.5mm Minijack Input
- RCA Input
- USB Port: microUSB
- Wired Subwoofer Output
- Headphone Jack: 3.5mm
Audioengine HD4 External Dimensions and Weight
Audioengine HD4 has external dimensions of (Height x Width x Depth) 9.125 x 5.4375 x 8.875inch (231.8 x 138.1 x 225.4mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of Audioengine HD4 is approximately 311.3cm2 / 48.3inch2.
Weight The speaker with the built-in amplifier weighs 3.20kg / 7lbs whereas the other speaker weighs 2.40kg/ 5.3lbs. Here is a comparison of how HD4's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Weight
Bookshelf Speakers under $500
How does the Audioengine HD4 compare to the Audioengine HD5?
One of the natural alternative to the Audioengine HD4 is the HD5 which is located one step higher in Audioengine's Powered Bookshelf selection.
Check the Detailed Comparison of Audioengine HD4 vs HD5 for more details.
Cabinet type and Materials
Audioengine HD4 has a
Bass Reflex type cabinet. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
Port Position
Audioengine HD4 is a front-firing port speaker , which gives you more flexibility compared to rear firing speakers when you need to place it close against a wall or other surfaces.
Available colors
Audioengine HD4 is available in Black and Walnut.
Wall Mounting
HD4 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
Does the Audioengine HD4 come with a Grille?
HD4 comes with magnetic grilles in Black color choices. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible. Since the included grille of the HD4 is magnetic type, it is very easy to put it on and off.
What's in the Box of Audioengine HD4?
Here are the items that are included inside the box of HD4:
Powered speakerPassive speaker2 Grilles (pre-installed)6-feet AC power cordBluetooth antenna5-feet microUSB-to-USB cable6.5-feet Speaker cable (banana connectors on each end)5-feet Stereo minijack cable6-feet Stereo RCA cable2 Microfiber speaker bags2 MIcrofiber cable bagsQuickstart GuideProduct Line Brochure
Recommended Accessories
Here is a list of accessories that we think you may need for the Audioengine HD4.
- Vibration Isolators: IsoAcoustics isolators more affordable options too.
- Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.
- Speaker Stands: Stands bring your bookshelf speakers to ideal height (rule of thumb is to have the tweeter level with your ear in your listening position), helps stability and acoustical isolation.
User's Manual
For more information about how to setup, use and maintain the Audioengine HD4, use the direct link below to download the official manual document:
Download User Manual for Audioengine HD4
Official Product Page
Official manufacturer's product page for the Audioengine HD4 speaker can be found below:
Official Product Page for Audioengine HD4
Warranty
3 Years of parts warranty and 3 Years of labor warranty is generally provided by the manufacturer.