The Seeburg K20 ranks #15 out of 21 total 10-Inch Two-Way Powered PA Speakers for sound quality. See all PA & Live Sound rankings for every top pick.
Brand: Seeburg
Prices on this page were last checked September 23, 2026 at 11:24 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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#15 Seeburg K20 Thomann eBay
Pros: Dual 10-inch woofers and a 1.4-inch compression driver reach 134dB in a 22.5kg cabinet. Predicted in-room smoothness is a solid 0.711, and vendor Spinorama data gives preference scores of 3.14 standalone and 6.61 with an ideal subwoofer. Measured bass extension of 95Hz (-3dB).
Cons: Bass reaches only about 95Hz (-3dB) and on-axis narrow-band deviation is 0.562, so the response is uneven and thin without a subwoofer. It is passive, so an external amplifier and processor are needed, and pricing is high for the class.
How it compares: Just above it: RCF NX 910-A. Just below it: Yamaha DBR10.
| AES Input | No |
|---|---|
| Amplifier Power | Passive speaker; requires external amplification within the 800W AES / 2400W peak handling rating |
| Aux Input | No |
| Bass Extension (-3dB) | 95Hz (measured, vendor Spinorama data) |
| Bluetooth | No |
| Coaxial Input | No |
| Configuration | Passive 2-way high-mid PA speaker |
| Coverage | 90° x 60° (60° x 50° variant also offered) |
| DSP | No (passive) |
| Dimensions | 26"H x 11.8"W x 14.2"D (660 x 300 x 360 mm) |
| Drivers | Dual 10" neodymium woofers, 1.4" neodymium compression driver |
| Frequency Response | 70Hz - 18kHz (manufacturer specified) |
| Guitar Input | No |
| HDMI Input | No |
| Maximum SPL | 134dB (manufacturer specified) |
| Microphone Input | No |
| Optical Input | No |
| Power Handling | 800W AES / 2400W peak at 4 ohms (manufacturer specified) |
| RCA Input | No |
| Spinorama Preference Score | 3.14 |
| Spinorama Preference Score with Perfect Sub | 6.61 |
| TRS Input | No |
| USB Input | No |
| Weight | 49.6 lbs (22.5 kg) |
| XLR Input | No |
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