Short answer: the Monitor Audio Silver 50 8G for better sound quality, the Polk T15 for the lower price. The Monitor Audio Silver 50 7G ranks higher than the Polk T15 (#16 vs #164 of 179 bookshelf speakers) but is discontinued. Its replacement, the Monitor Audio Silver 50 8G, is rated 4.2/5 at $1,250; the Polk T15 is rated 1.9/5 at $149, $1,101 cheaper.
The case for the Polk T15: A very affordable bookshelf speaker for near-field desktop use. The catch: Spinorama analysis shows a deep on-axis dip from 3 to 6kHz in the upper mids and lower treble, likely from tweeter-woofer phase cancellation directly on-axis.
The Monitor Audio Silver 50 7G is the more accurate choice. An award winning compact bookshelf speaker with accurate sound, a gold dome tweeter and good bass weight for its size. Its measured preference score, a predictor of how neutral it sounds, is 5.40 against 0.34 for the Polk T15. Watch for: The on axis response trends noticeably upward toward the treble (rising about 0.5dB per octave, a steep tilt), which can read as bright on already bright recordings.
Buy the Polk T15 if price matters most. For better sound quality, the Monitor Audio Silver 50 8G, the replacement for the discontinued Monitor Audio Silver 50 7G, is rated higher but costs $1,250.
Looking for alternatives? See the complete Passive Home rankings.
A very affordable bookshelf speaker for near-field desktop use.
An award winning compact bookshelf speaker with accurate sound, a gold dome tweeter and good bass weight for its size.
Prices on this page were last checked October 31, 2026 at 7:11 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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Specifications Side By Side
| Polk T15 | Monitor Audio Silver 50 7G | |
|---|---|---|
| Price | $149.00 per pair | $799 per pair Discontinued |
| Ranked | #164 of 179 in Medium Size Bookshelf Speakers | #16 of 179 in Medium Size Bookshelf Speakers |
| Drivers | 0.75” tweeter, 5.25” woofer | 1” C-CAM Gold Dome tweeter, 5.25” C-CAM RST II mid bass driver |
| Dimensions | 10.63H x 6.5W x 7.25D in | 11.1”H x 6.5”W x 10.7”D (282 x 165 x 272 mm) |
| Weight | 8.2 lbs (3.74 kg) each | 12.3 lbs (5.6 kg) each |
| Frequency Response | 60Hz - 24kHz (Manufacturer specified) | - |
| Bass Extension (-3dB) | 88.6Hz (measured, Audio Science Review) | 87.9Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 58.1Hz (measured, Audio Science Review) | 50.7Hz (measured, Erin’s Audio Corner) |
| Impedance | 8 ohms nominal | 8 ohms nominal, 3.9 ohms minimum |
| Spinorama Preference Score | 0.34 | 5.40 |
| Spinorama Preference Score with Perfect Sub | 3.39 | 8.01 |
| Sensitivity | 89dB (manufacturer specified, 1W/1m); 88.98dB measured, spinorama.org | 86dB @ 2.83V/1m |
| DIY Kit | No | No |
| Enclosure | - | ported |
| Crossover Frequency | - | 2.6kHz |
| Port Tuning | - | 58Hz |
| Power Handling | - | 100W RMS handling, 40-100W recommended amplifier power |
| Warranty | - | Lifetime, parts and labor |
| Country | - | China |
| Maximum SPL | - | 104dB (manufacturer specified) |
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