Neumann KH80 DSP vs Onkyo GX-30ARC

Last updated: October 9, 2026

Short answer: the Neumann KH80 DSP if sound quality matters most, the Onkyo GX-30ARC if price matters most. The Neumann KH80 DSP ranks #4 of 100 powered bookshelf speakers, rated 4.6/5, at $1,197.96. The Onkyo GX-30ARC ranks #55, rated 3.7/5, at $249, $948.96 cheaper.

Neumann KH80 DSP vs Onkyo GX-30ARC

The Neumann KH80 DSP is the more accurate option. ASR’s selected Klippel measurement has a 1.4dB midrange response span and virtually no overall on-axis tilt. Its measured preference score, a predictor of how neutral it sounds, is 5.89 against 3.69 for the Onkyo GX-30ARC. The catch: Bass reaches -3dB around 59Hz in this measurement, less deep than the KH120 II.

What the Onkyo GX-30ARC does well: HDMI ARC, USB-C, optical and analog inputs make it a convenient compact system for a desk or TV. It keeps a wired aux input, which the Neumann KH80 DSP lacks. Watch for: The response rises toward the treble by about 0.48dB per octave.

Buy the Neumann KH80 DSP if sound quality is the priority over the price, or the Onkyo GX-30ARC if the price is the priority over sound quality.

Want more options? Browse the full Powered Home rankings.

Specifications Side By Side

Neumann KH80 DSP Onkyo GX-30ARC
Price$1,197.96 per pair$249.00 per pair
Ranked#4 of 100 in Medium Size Powered Bookshelf Speakers#55 of 100 in Medium Size Powered Bookshelf Speakers
Dimensions13.6”H x 10.8”W x 9.6”D (345.4 x 274.3 x 243.8 mm)approx. 8.7H x 5.8W x 7.9D in each
Frequency Response57 Hz - 25 kHz (+-3 dB) (Manufacturer specified)55Hz - 20kHz (Manufacturer specified)
InputsXLRHDMI ARC, USB-C, optical, phono/line, 3.5mm aux, Bluetooth 5.3
Weight9 lbs (4.1 kg) each6.2 lbs (2.8 kg) (primary speaker)
Drivers4.1” woofer, 1” fabric dome tweeter1” tweeter, 4” woofer
AppYes (MA 1 alignment)-
Bass Extension (-10dB)51Hz (measured, Erin’s Audio Corner)-
Bass Extension (-3dB)57Hz (measured, Erin’s Audio Corner)-
BluetoothNoYes
DSPYes-
EQYes (via DSP)-
Sensitivity91.9dB (measured at 0.3V/1m, Erin’s Audio Corner)-
Amplifier Power140W (90W woofer + 50W tweeter)Class D amplification
Maximum SPL110.7dB @ 1m (manufacturer specified)-
Spinorama Preference Score5.893.69
Spinorama Preference Score with Perfect Sub8.256.42
XLR InputYesNo
RCA InputNoNo
TRS InputNoNo
Optical InputNoYes
Coaxial InputNoNo
USB InputNoYes
HDMI InputNoYes
AES InputNoNo
Aux InputNoYes
Enclosure-2-way powered, rear-ported
Outputs-Subwoofer
Country-Japan (design)
Subwoofer Output-Yes
Bluetooth Version-5.3

More top alternatives to Neumann KH80 DSP:

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The Two Speakers In Full

Neumann KH80 DSP: $1,197.96 per pair Amazon B&H Photo Video eBay

Neumann KH80 DSP ranking card

Same family: the Neumann KH120 MKII (larger bookshelf, ranked higher, rated 4.7/5), the Neumann KH 150 (larger bookshelf, rated 4.8/5), the Neumann KH 310 A (larger bookshelf, rated 4.6/5), the Neumann KH420 (larger bookshelf, rated 4.8/5) and the Neumann KH 750 DSP (subwoofer, rated 3.5/5).

Pros: ASR’s selected Klippel measurement has a 1.4dB midrange response span and virtually no overall on-axis tilt. Scores of 5.89 standalone and 8.25 with an ideal subwoofer indicate excellent tonal accuracy in a compact monitor. The waveguide and steep crossover provide useful control of reflected sound, while placement filters help compensate for a desk or nearby boundaries. Existing multitone testing supports good moderate-level clarity. Measured bass extension of 57Hz (-3dB), with a measured sensitivity of 91.9dB.

Cons: Bass reaches -3dB around 59Hz in this measurement, less deep than the KH120 II. Output protection and increasing multitone distortion limit loud listening, especially in the bass. Room reflections and listening distance can alter perceived treble balance despite its flat direct response. Calibration equipment adds to the cost; the preference score is not a measurement of maximum clean output. It is expensive for its size.

AES InputNo
Amplifier Power140W (90W woofer + 50W tweeter)
AppYes (MA 1 alignment)
Aux InputNo
Bass Extension (-10dB)51Hz (measured, Erin’s Audio Corner)
Bass Extension (-3dB)57Hz (measured, Erin’s Audio Corner)
BluetoothNo
Coaxial InputNo
DSPYes
Dimensions13.6”H x 10.8”W x 9.6”D (345.4 x 274.3 x 243.8 mm)
Drivers4.1” woofer, 1” fabric dome tweeter
EQYes (via DSP)
Frequency Response57 Hz - 25 kHz (+-3 dB) (Manufacturer specified)
HDMI InputNo
InputsXLR
Maximum SPL110.7dB @ 1m (manufacturer specified)
Optical InputNo
RCA InputNo
Sensitivity91.9dB (measured at 0.3V/1m, Erin’s Audio Corner)
Spinorama Preference Score5.89
Spinorama Preference Score with Perfect Sub8.25
TRS InputNo
USB InputNo
Weight9 lbs (4.1 kg) each
XLR InputYes

Onkyo GX-30ARC: $249.00 per pair Amazon B&H Photo Video eBay

Onkyo GX-30ARC ranking card

Pros: HDMI ARC, USB-C, optical and analog inputs make it a convenient compact system for a desk or TV. Erin’s Klippel data gives a 3.69 standalone preference score and 6.42 with an ideal subwoofer. The midrange response spans 3.8dB, offering usable but not reference-level tonal performance.

Cons: The response rises toward the treble by about 0.48dB per octave. Bass reaches -3dB around 74Hz, not the lower LFX value used inside the preference model. Vertical listening position affects crossover balance. Its extensive connectivity does not compensate for response irregularities, and the published tonal data alone does not establish maximum clean output.

AES InputNo
Amplifier PowerClass D amplification
Aux InputYes
BluetoothYes
Bluetooth Version5.3
Coaxial InputNo
CountryJapan (design)
Dimensionsapprox. 8.7H x 5.8W x 7.9D in each
Drivers1” tweeter, 4” woofer
Enclosure2-way powered, rear-ported
Frequency Response55Hz - 20kHz (Manufacturer specified)
HDMI InputYes
InputsHDMI ARC, USB-C, optical, phono/line, 3.5mm aux, Bluetooth 5.3
Optical InputYes
OutputsSubwoofer
RCA InputNo
Spinorama Preference Score3.69
Spinorama Preference Score with Perfect Sub6.42
Subwoofer OutputYes
TRS InputNo
USB InputYes
Weight6.2 lbs (2.8 kg) (primary speaker)
XLR InputNo