Short answer: the Adam Audio T5V. It ranks #28 of 64 powered bookshelf speakers by sound quality at $239.99; the Onkyo GX-30ARC ranks #38 and costs $349, which makes this an easy call rather than a real tradeoff.
What the Adam Audio T5V offers: Better than the HS5 in terms of vocals detail and better low end. Watch for: Elevated, slightly uneven top end from the AMT tweeter, shared with Adam’s other T-series monitors - the rear treble trim only tilts the response rather than flattening it. Distortion, while better controlled than most speakers in this price range, isn’t reference quality.
What the Onkyo GX-30ARC offers: A compact powered pair with unusually complete connectivity: HDMI ARC, USB-C, optical, phono/line, aux and Bluetooth 5.3. Erin’s data predicts a 5.55 score with a subwoofer, low 0.091 on-axis roughness and useful 62Hz in-room extension. Watch for: The response rises about +0.48dB per octave and narrows vertically, while directivity-index consistency is a mediocre 3.84. Its 0.232 sound-power smoothness suggests some room-response unevenness, and low bass still benefits from a subwoofer.
Buy the Adam Audio T5V. It ranks higher for sound quality than the Onkyo GX-30ARC and costs less, so the other one has nothing left to offer.
Specifications Side By Side
| Adam Audio T5V | Onkyo GX-30ARC | |
|---|---|---|
| Price | $239.99 | $349/pair |
| Ranked | #28 of 64 in Medium Size Powered Bookshelf Speakers | #38 of 64 in Medium Size Powered Bookshelf Speakers |
| Bass Extension (-3dB) | 78Hz (measured, Audio Science Review) | - |
| Bass Extension (-10dB) | 60Hz (measured, Audio Science Review) | - |
| Dimensions | 11.7"H x 7"W x 11.7"D (297.2 x 177.8 x 297.2 mm) | approx. 8.7H x 5.8W x 7.9D in each |
| Frequency Response | 58Hz - 24kHz (-3dB) (Manufacturer specified) | - |
| Inputs | XLR, RCA | HDMI ARC, USB-C, optical, phono/line, 3.5mm aux, Bluetooth 5.3 |
| Weight | 12.6 lbs / 5.7 kg each | - |
| Drivers | 5" (127mm) woofer | 1" tweeter, 4" woofer |
| App | No | - |
| Bluetooth | No | - |
| EQ | Yes (Room adjustment) | - |
| Output Power | 70w Per Speaker | - |
| Enclosure | - | 2-way powered, rear-ported |
| Power Output | - | Class D amplification |
| Outputs | - | Subwoofer |
| Country | - | Japan (design) |
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Prices on this page were last checked September 8, 2026 at 6:02 PM 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
Adam Audio T5V: $239.99 Amazon eBay
Pros: ASR’s data shows a small 2.0dB span from 300Hz to 5kHz, a -3dB point around 59Hz, and scores of 3.74 standalone and 6.11 with an ideal subwoofer. It offers useful bass and midrange performance for an affordable studio monitor. Rear tonal trims allow broad placement adjustment.
Cons: The response rises toward the treble by about 0.56dB per octave, so the small midrange span should not be mistaken for flat full-band response. Upper-frequency unevenness remains, and a shelving control cannot precisely remove every peak. The existing review finds distortion reasonable for the price rather than reference-class; deeper bass and demanding levels still call for more capable hardware.
Full Adam Audio T5V review and specifications →
| App | No |
|---|---|
| Bass Extension (-10dB) | 60Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 78Hz (measured, Audio Science Review) |
| Bluetooth | No |
| Dimensions | 11.7"H x 7"W x 11.7"D (297.2 x 177.8 x 297.2 mm) |
| Drivers | 5" (127mm) woofer |
| EQ | Yes (Room adjustment) |
| Frequency Response | 58Hz - 24kHz (-3dB) (Manufacturer specified) |
| Inputs | XLR, RCA |
| Output Power | 70w Per Speaker |
| Weight | 12.6 lbs / 5.7 kg each |
- Links
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- Audio Science Review Measurements (spinorama.org)
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- Head-to-Head Comparisons
Onkyo GX-30ARC: $349/pair Onkyo eBay
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 2.82 standalone preference score and 5.55 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.
Full Onkyo GX-30ARC review and specifications →
| Country | Japan (design) |
|---|---|
| Dimensions | approx. 8.7H x 5.8W x 7.9D in each |
| Drivers | 1" tweeter, 4" woofer |
| Enclosure | 2-way powered, rear-ported |
| Inputs | HDMI ARC, USB-C, optical, phono/line, 3.5mm aux, Bluetooth 5.3 |
| Outputs | Subwoofer |
| Power Output | Class D amplification |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons