Audioengine A5+ Classic vs Audioengine HD6

Last updated: September 13, 2026

Short answer: the Audioengine A5+ Classic. It ranks #27 of 65 powered bookshelf speakers by sound quality at $399; the Audioengine HD6 ranks #51 and costs $817.44, which makes this an easy call rather than a real tradeoff.

Audioengine A5+ Classic vs Audioengine HD6

What the Audioengine A5+ Classic offers: CEA2034 spinorama shows a reasonably flat response outside of the upper bass. Internal Class AB amplification (50W RMS, 75W peak) with a linear power supply drives a 5” Kevlar woofer and 0.75” tweeter. Watch for: A valley in the upper bass (200-400Hz) recesses that range, and a distortion peak shows up around 800-900Hz even at 86dB SPL. Off-axis response doesn’t track the on-axis curve well through the crossover, suggesting the waveguide isn’t fully optimized. Resonances appear at 900Hz and 4.4kHz.

What the Audioengine HD6 offers: Rated 3.7 in the SpeakerRanking database. Watch for: A bit of an accentuated treble and bass. Slight dip in the midrange.

Buy the Audioengine A5+ Classic. It ranks higher for sound quality than the Audioengine HD6 and costs less, which settles it without a real tradeoff to make.

Skip the Audioengine HD6 if sound quality matters to you. It ranks near the bottom of the 65 powered bookshelf speakers.

Still deciding? The full Powered Home rankings cover every ranked option.

Specifications Side By Side

Audioengine A5+ Classic Audioengine HD6
Price$399.00 per pair$817.44 per pair
Ranked#27 of 65 in Medium Size Powered Bookshelf Speakers#51 of 65 in Medium Size Powered Bookshelf Speakers
Bass Extension (-3dB)68Hz (measured, Audio Science Review)-
Bass Extension (-10dB)50Hz (measured, Audio Science Review)-
Dimensions10.9"H x 7.2"W x 9.7"D (276.2 x 182.6 x 247.6 mm)11.7"H x 7.2"W x 10"D (298.4 x 184.1 x 254 mm)
Frequency Response50Hz - 22kHz (+/-1.5dB) (Manufacturer specified)45Hz-40KHz (-3dB) (Manufacturer specified)
Weight15.4 lbs (7 kg) (left/powered), 9.7 lbs (4.4 kg) (right)17.4 lbs (7.9 kg)
Drivers5" Kevlar woofer, 0.75" silk dome tweeter5.5" (140mm) woofer
AppNoNo
EQNoNo
DSPNo-
Amplifier Power50W RMS / 75W peak50w RMS Per Speaker
Spinorama Preference Score3.68-
Spinorama Preference Score with Perfect Sub6.15-
Subwoofer OutputYesYes
OutputsRCA variable output (subwoofer)RCA variable output (subwoofer)
Inputs-Bluetooth, Aux, RCA Input, Digital Optical
Bluetooth-Yes, 5.0
Bluetooth Codecs-SBC, AAC, aptX, aptX HD

More top alternatives to Audioengine A5+ Classic:

Prices on this page were last checked September 16, 2026 at 12:41 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Speakers In Full

Audioengine A5+ Classic: $399.00 per pair Amazon B&H Photo Video eBay

Audioengine A5+ Classic ranking card

Pros: ASR’s A5+ Powered measurements give 3.68 standalone and 6.15 with an ideal subwoofer, with a 2.7dB midrange span. The analog powered pair is straightforward to use without an external amplifier. The measured result supports a more capable tonal balance than its former low position suggested. Measured bass extension of 68Hz (-3dB).

Cons: The measured -3dB point is around 69Hz, and the upper-bass recession can reduce body in voices and instruments. The existing review reports crossover-region directivity errors and a distortion feature around 800-900Hz. The score does not make it a reference monitor, and adding a subwoofer cannot correct those midrange and off-axis issues.

Amplifier Power50W RMS / 75W peak
AppNo
Bass Extension (-10dB)50Hz (measured, Audio Science Review)
Bass Extension (-3dB)68Hz (measured, Audio Science Review)
DSPNo
Dimensions10.9"H x 7.2"W x 9.7"D (276.2 x 182.6 x 247.6 mm)
Drivers5" Kevlar woofer, 0.75" silk dome tweeter
EQNo
Frequency Response50Hz - 22kHz (+/-1.5dB) (Manufacturer specified)
OutputsRCA variable output (subwoofer)
Spinorama Preference Score3.68
Spinorama Preference Score with Perfect Sub6.15
Subwoofer OutputYes
Weight15.4 lbs (7 kg) (left/powered), 9.7 lbs (4.4 kg) (right)

Audioengine HD6: $817.44 per pair Amazon eBay

Audioengine HD6 ranking card

Pros: Analog and optical inputs, RCA output and built-in amplification provide a convenient self-contained stereo setup. The cabinet and driver size can be practical for general music listening without assembling a separate amplifier system.

Cons: Listening impressions describe bass and treble emphasis with a recessed midrange, which may suit casual listening better than neutral monitoring.

Amplifier Power50w RMS Per Speaker
AppNo
BluetoothYes, 5.0
Bluetooth CodecsSBC, AAC, aptX, aptX HD
Dimensions11.7"H x 7.2"W x 10"D (298.4 x 184.1 x 254 mm)
Drivers5.5" (140mm) woofer
EQNo
Frequency Response45Hz-40KHz (-3dB) (Manufacturer specified)
InputsBluetooth, Aux, RCA Input, Digital Optical
OutputsRCA variable output (subwoofer)
Subwoofer OutputYes
Weight17.4 lbs (7.9 kg)