Short answer: the JBL 308P MKII. It ranks #22 of 66 powered bookshelf speakers by sound quality at $498; the O.S. Acoustics DBS8 ranks #23 and costs $5600, which makes this an easy call rather than a real tradeoff.
What the O.S. Acoustics DBS8 offers: The available Sound & Recording data gives a 6.97 ideal-subwoofer score and a 2.6dB response span from 300Hz to 5kHz, supporting balanced monitoring with bass support. DSP settings provide useful adjustment for installation. Watch for: The measured -3dB point is 48.5Hz, not especially deep for a large monitor. Driver layout and listening height require care; a scalar directivity statistic alone cannot establish a wide sweet spot.
What the JBL 308P MKII offers: A 1.8dB response span from 300Hz to 5kHz and 6.89 ideal-subwoofer score support unusually good tonal balance for an accessible studio monitor. Measured -3dB extension of 42.5Hz supplies useful musical bass, and the waveguide helps maintain consistent horizontal coverage. Watch for: Amplifier hiss may be noticeable in quiet, close-range use. Bass distortion and output limits matter when playing loudly, despite the 8-inch woofer. Keep the tweeter near ear height; vertical crossover behavior is less forgiving than the best coaxial designs.
Buy the JBL 308P MKII. It ranks higher for sound quality than the O.S. Acoustics DBS8 and costs less, which settles it without a real tradeoff to make.
Specifications Side By Side
| O.S. Acoustics DBS8 | JBL 308P MKII | |
|---|---|---|
| Price | $5,600/pair | $498 |
| Ranked | #23 of 66 in Large Size Powered Bookshelf Speakers | #22 of 66 in Large Size Powered Bookshelf Speakers |
| Bass Extension (-3dB) | 48.5Hz (measured, spinorama.org) | 82Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | approximately 35Hz (measured, spinorama.org) | 60Hz (measured, Audio Science Review) |
| Enclosure | Sealed MTM | - |
| Drivers | Two 6.5-inch aluminum woofers; 1.1-inch ceramic-coated magnesium tweeter | 8" woofer, 1" neodymium tweeter |
| Inputs | Balanced XLR | - |
| Output Power | 500W LF + 150W HF per speaker | 112W total |
| Max SPL | 105dB | - |
| Dimensions | 19.8" x 8.7" x 17.2" (502 x 222 x 437 mm) each | 16.5"H x 10"W x 12.1"D (419.1 x 254 x 307.3 mm) |
| Weight | 34.8 lbs / 15.8kg each | not published by manufacturer |
| Frequency Response | - | 45Hz - 20kHz (+/-3dB) (Manufacturer specified) |
| App | - | No |
| EQ | - | No |
| DSP | - | No |
Related Speaker Comparisons
Other pairings from the same speaker class worth checking:
- Yamaha HS8 vs AsciLab C8C
- Yamaha HS8 vs HEDD Type 20 MK2
- Yamaha HS8 vs Genelec S360
- Genelec S360 vs JBL 308P MKII
- JBL 308P MKII vs Genelec 8341A
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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
O.S. Acoustics DBS8: $5,600/pair O.S. Acoustics Dealers eBay
Pros: The available Sound & Recording data gives a 6.97 ideal-subwoofer score and a 2.6dB response span from 300Hz to 5kHz, supporting balanced monitoring with bass support. DSP settings provide useful adjustment for installation.
Cons: The measured -3dB point is 48.5Hz, not especially deep for a large monitor. Driver layout and listening height require care; a scalar directivity statistic alone cannot establish a wide sweet spot.
Full O.S. Acoustics DBS8 review and specifications →
| Bass Extension (-10dB) | approximately 35Hz (measured, spinorama.org) |
|---|---|
| Bass Extension (-3dB) | 48.5Hz (measured, spinorama.org) |
| Dimensions | 19.8" x 8.7" x 17.2" (502 x 222 x 437 mm) each |
| Drivers | Two 6.5-inch aluminum woofers; 1.1-inch ceramic-coated magnesium tweeter |
| Enclosure | Sealed MTM |
| Inputs | Balanced XLR |
| Max SPL | 105dB |
| Output Power | 500W LF + 150W HF per speaker |
| Weight | 34.8 lbs / 15.8kg each |
- Links
- Reviews, Comparisons and Sound Samples
JBL 308P MKII: $498 B&H Photo Video eBay
Pros: A 1.8dB response span from 300Hz to 5kHz and 6.89 ideal-subwoofer score support unusually good tonal balance for an accessible studio monitor. Measured -3dB extension of 42.5Hz supplies useful musical bass, and the waveguide helps maintain consistent horizontal coverage.
Cons: Amplifier hiss may be noticeable in quiet, close-range use. Bass distortion and output limits matter when playing loudly, despite the 8-inch woofer. Keep the tweeter near ear height; vertical crossover behavior is less forgiving than the best coaxial designs.
Full JBL 308P MKII review and specifications →
| App | No |
|---|---|
| Bass Extension (-10dB) | 60Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 82Hz (measured, Audio Science Review) |
| DSP | No |
| Dimensions | 16.5"H x 10"W x 12.1"D (419.1 x 254 x 307.3 mm) |
| Drivers | 8" woofer, 1" neodymium tweeter |
| EQ | No |
| Frequency Response | 45Hz - 20kHz (+/-3dB) (Manufacturer specified) |
| Output Power | 112W total |
| Weight | not published by manufacturer |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons