Audioengine HD6

Crossover Vehicle

Equipment report
Audioengine HD6
Audioengine HD6

Instant Gratification
Setup is devilishly easy, even for someone like me, who invariably cringes at the prospect of “pairing” devices (it’s a childhood issue, like eating lima beans). But the AE team couldn’t have made the task any simpler. With my smart device at the ready, an iPad, I only had to power on the right/master speaker and press the “pair” button. Within seconds I’d identified the HD6 within the Settings/Bluetooth submenu of my iPad’s System window and selected “Audioengine HD6.” I was literally streaming my Oldies playlist in seconds with very good musical results. Bluetooth response was stable with only a few dropouts over the course of the evaluation. When all was said and done, however, I spent most of my listening sessions running the elite Esoteric K-03X SACD player and a Blu-ray player through the analog and optical inputs. The HD6 was positioned on heavy stands, a good two feet or so from back and sidewalls.

I listened to the HD6 in the manner that I imagined many listeners would—a combination of music and movies. It’s well suited to both of these genres but sonically tipped in favor of a cinema balance. By that I mean it makes voices intelligible without getting edgy, and has the weight and dynamics to lend credibility to an action/adventure soundtrack. It also creates a strong center image, crucial to the cinema experience in the absence of a true center channel. It did a marvelous job contributing to the immersive atmosphere of the harrowing mountain climbing documentary Meru. The sensational soundscape of arctic winds buffeting the climbers at twenty thousand feet sent more than a few chills up my spine and added greatly to the thrillingly vertiginous cinematography.

In tonal balance, the HD6 offers a forgiving, ear-coddling midrange—a warmer, slightly darker balance that was effective at conveying big sound from a small box. Bass response was largely very good, if a little overly enthusiastic in the upper midbass. This added oomph in the 80–150Hz range is not uncommon among mini-monitors. Like a loudspeaker equipped with a much larger woofer, the HD6 creates an illusion of bottom-octave extension. Although not perfectly flat in frequency response, its bass has been tailored pleasingly, with commendable control and usable extension into the 50–60Hz range—certainly enough to provide excitement while listening to large-scale music, a feature I noted immediately during the final moments of Vaughan-Williams’ Antartica [Naxos] when the orchestra, playing at full tilt, is suddenly interrupted by pipe organ, emerging like a leviathan from the musical depths. That’s a lot of information, and the HD6 traversed this territory with confidence and clarity. Indeed, it’s a game little speaker, with very good midrange dynamics. Don’t expect it to reproduce the full impact of timpani mallets upon the big drumhead or the complex canvas of cavernous hall reverberations from a pipe organ. Yet, as I discovered, it didn’t shy away from these challenges, either.

The HD6 exhibits a conservative signature in the treble range. As I listened to Norah Jones’ “Come Away With Me” [Blue Note], I noted that her vocal sibilance was more subdued, and the intensity of brushed cymbals was moderated somewhat. Likewise, during Copland’s Fanfare [Reference Recordings], the lusty brass ensemble was a little less immediate than I’ve noted in the past, but presented with a fair amount of air—overall a little rolled-off but musically convincing, nonetheless. As I listened to the Beatles’ “Hey Jude” on the HD6 I detected a small subtraction of presence and snap in Paul and John’s harmonies and a general ceiling over the soundstage. I then reverted to my own, much pricier ATC SCM20-2SL two-way monitors for comparison. The height component of the crisply struck tambourine returned to the mix, as did the vocal transparency of Paul and John’s vocals [Past Masters, Apple].

Yes, these are the sorts of trade-offs that small loudspeakers confront all the time, but I rate the HD6 sonics far preferable over the long haul than the hyper-detailed and bass-starved mini-monitors that were once the rage years ago, when such “lil’ screamers” were taking the world by storm. Mini-monitors are about making hard choices in tonality and dynamic output. I like and admire the direction AE has taken the HD6.

Is the HD6 for you? First, you might consider how you plan to listen to music—now and in the future. A smart device-only system of today might very well handcuff you down the road. However, the HD6 is intelligently designed to grow with your changing tastes and listening habits. I can tell you from personal experience with my nieces and nephews—millennials all—that the HD6 is quite what the audio doctor ordered in their regard. A genuine performer, it’s attractive, flexible, and user-friendly. Indeed, it’s hard to imagine a “tweener” rig that does more for less than the HD6. Truly the little audio engine that could.


Type: Self-powered wireless loudspeaker
Inputs: TosLink optical, Bluetooth aptX, 3.5mm stereo analog, left and right RCA analog
Codecs supported: aptX, AAC, SBC
Amplifier type: Analog dual-class A/B monolithic
Drivers: 5.5" Kevlar woofer, 1" silk-dome tweeter
Frequency response: 50Hz–22kHz +/-1.5dB
Dimensions: 7.25" x 11.75" x 10"
Weight: Right speaker (powered) 17.5 lbs.; left speaker, 12.5 lbs.
Price: $749

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