Short answer: the Monitor Audio Silver 50 7G for better sound quality, the Sony SS-CS5 M2 for the lower price. The Monitor Audio Silver 50 7G ranks #14 of 87 bookshelf speakers at $799. The Sony SS-CS5 M2 ranks #48 at $278, $521 cheaper.
What the Sony SS-CS5 M2 offers: Added internal bracing (corners, sides, front baffle) plus an updated crossover meaningfully reduce the resonance issues that plagued the original SS-CS5, giving a smoother, more neutral character overall. A modest mid-range dip (about 1-2dB) is present but tolerable, and the reviewer would rather have this dip than a peak in that region. Slightly deeper bass than the previous version, measuring about 2dB more output around 60Hz. Distortion drops noticeably when crossed to a subwoofer around 80-120Hz, meaningfully improving midrange clarity and detail versus running full-range. Easy to drive on a standard AVR - no need for a dedicated high-power amplifier. More modern, understated waveguide look compared to the previous version’s glossy trim. Watch for: Mild sibilance in the 3-5kHz range stands out on S and T sounds in vocals. Some forwardness in the midrange noticeable on certain vocal recordings. Soundstage and sense of envelopment are comparatively flat and two-dimensional, especially next to reference-quality speakers with strong 3D imaging. Marketed as a “three-way” design mainly due to an added super-tweeter that the reviewer considers largely superfluous - it engages only at very high frequencies and adds complexity without a clearly audible benefit, when that cost might have been better spent on the main crossover. Output-limited: realistic ceiling is around the mid-90s dB SPL at a few meters, with comfortable listening closer to 75-85dB at 3-4 meters before distortion and compression become audible. Bass noticeably compresses/shelves below about 120Hz as volume increases, softening kick-drum impact at higher output. Smaller drivers and a lighter motor structure than rivals like the Polk XT20, which the reviewer generally prefers for its better directivity and higher SPL capability. Still needs a subwoofer for any real bass extension.
What the Monitor Audio Silver 50 7G offers: The 7th generation C-CAM Gold Dome tweeter with UD Waveguide II and RST II mid bass driver produce a listening window smoothness score of 0.50 at an accessible price, earning a Hi-Fi News Outstanding Product Award. A HiVe II reflex port system is tuned to 58Hz for real bass weight from a compact 5.25 inch two way. Watch for: The on axis response trends noticeably upward toward the treble (measured slope +0.50 per octave, the steepest of any speaker in this batch), which can read as bright on already bright recordings. The sound power directivity index also has the widest standard deviation in this batch, 3.95, meaning off axis energy tracks the on axis response less consistently than the rest of this group. Bass extension is limited to a measured 87.9Hz at -3dB, so a subwoofer is recommended for full range use, and minimum impedance dips to 3.9 ohms at 250Hz.
Buy the Sony SS-CS5 M2 if the price matters more than sound quality. Buy the Monitor Audio Silver 50 7G if sound quality matters more than the price.
Specifications Side By Side
| Sony SS-CS5 M2 | Monitor Audio Silver 50 7G | |
|---|---|---|
| Price | $278.00 | $799 |
| Ranked | #48 of 87 in Medium Size Bookshelf Speakers | #14 of 87 in Medium Size Bookshelf Speakers |
| Bass Extension (-10dB) | 54Hz (measured, Erin’s Audio Corner) | 50.7Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 80Hz (measured, Erin’s Audio Corner) | 87.9Hz (measured, Erin’s Audio Corner) |
| Dimensions | 13.2"H x 7"W x 8.7"D (335 x 178 x 220 mm) | 11.1"H x 6.5"W x 10.7"D (282 x 165 x 272 mm) (11.125 x 6.5 x 10.375 in) |
| Impedance | 6 ohms | 8 ohms nominal, 3.9 ohms minimum |
| Sensitivity | 82.5dB | 86dB @ 2.83V/1m |
| Supertweeter | 0.75 in | - |
| Drivers | 5.12" woofer, 0.98 in tweeter | 1" C-CAM Gold Dome tweeter, 5.25" C-CAM RST II mid bass driver |
| Weight | 9.5 lbs / 4.3 kg each | 12.3 lbs / 5.6 kg (12 lbs 6 oz) each |
| Woofer Cabinet | ported, rear | - |
| Enclosure | - | ported |
| Max SPL | - | 104dB |
| Crossover Points | - | 2.6kHz |
| Port Tuning | - | 58Hz |
| Power Output (Watts) | - | 100W RMS handling, 40-100W recommended amplifier power |
| Warranty | - | Lifetime, parts and labor |
| Country | - | China |
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Prices on this page were last checked August 25, 2026 at 6:19 AM 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
Sony SS-CS5 M2: $278.00 Amazon eBay
Pros: Added internal bracing (corners, sides, front baffle) plus an updated crossover meaningfully reduce the resonance issues that plagued the original SS-CS5, giving a smoother, more neutral character overall. A modest mid-range dip (about 1-2dB) is present but tolerable, and the reviewer would rather have this dip than a peak in that region. Slightly deeper bass than the previous version, measuring about 2dB more output around 60Hz. Distortion drops noticeably when crossed to a subwoofer around 80-120Hz, meaningfully improving midrange clarity and detail versus running full-range. Easy to drive on a standard AVR - no need for a dedicated high-power amplifier. More modern, understated waveguide look compared to the previous version’s glossy trim.
Cons: Mild sibilance in the 3-5kHz range stands out on S and T sounds in vocals. Some forwardness in the midrange noticeable on certain vocal recordings. Soundstage and sense of envelopment are comparatively flat and two-dimensional, especially next to reference-quality speakers with strong 3D imaging. Marketed as a “three-way” design mainly due to an added super-tweeter that the reviewer considers largely superfluous - it engages only at very high frequencies and adds complexity without a clearly audible benefit, when that cost might have been better spent on the main crossover. Output-limited: realistic ceiling is around the mid-90s dB SPL at a few meters, with comfortable listening closer to 75-85dB at 3-4 meters before distortion and compression become audible. Bass noticeably compresses/shelves below about 120Hz as volume increases, softening kick-drum impact at higher output. Smaller drivers and a lighter motor structure than rivals like the Polk XT20, which the reviewer generally prefers for its better directivity and higher SPL capability. Still needs a subwoofer for any real bass extension.
Full Sony SS-CS5 M2 review and specifications →
| Bass Extension (-10dB) | 54Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 80Hz (measured, Erin's Audio Corner) |
| Dimensions | 13.2"H x 7"W x 8.7"D (335 x 178 x 220 mm) |
| Drivers | 5.12" woofer, 0.98 in tweeter |
| Impedance | 6 ohms |
| Sensitivity | 82.5dB |
| Supertweeter | 0.75 in |
| Weight | 9.5 lbs / 4.3 kg each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Monitor Audio Silver 50 7G: $799 Crutchfield eBay
Pros: The 7th generation C-CAM Gold Dome tweeter with UD Waveguide II and RST II mid bass driver produce a listening window smoothness score of 0.50 at an accessible price, earning a Hi-Fi News Outstanding Product Award. A HiVe II reflex port system is tuned to 58Hz for real bass weight from a compact 5.25 inch two way.
Cons: The on axis response trends noticeably upward toward the treble (measured slope +0.50 per octave, the steepest of any speaker in this batch), which can read as bright on already bright recordings. The sound power directivity index also has the widest standard deviation in this batch, 3.95, meaning off axis energy tracks the on axis response less consistently than the rest of this group. Bass extension is limited to a measured 87.9Hz at -3dB, so a subwoofer is recommended for full range use, and minimum impedance dips to 3.9 ohms at 250Hz.
Full Monitor Audio Silver 50 7G review and specifications →
| Bass Extension (-10dB) | 50.7Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 87.9Hz (measured, Erin's Audio Corner) |
| Country | China |
| Crossover Points | 2.6kHz |
| Dimensions | 11.1"H x 6.5"W x 10.7"D (282 x 165 x 272 mm) (11.125 x 6.5 x 10.375 in) |
| Drivers | 1" C-CAM Gold Dome tweeter, 5.25" C-CAM RST II mid bass driver |
| Enclosure | ported |
| Impedance | 8 ohms nominal, 3.9 ohms minimum |
| Max SPL | 104dB |
| Port Tuning | 58Hz |
| Power Output (Watts) | 100W RMS handling, 40-100W recommended amplifier power |
| Sensitivity | 86dB @ 2.83V/1m |
| Warranty | Lifetime, parts and labor |
| Weight | 12.3 lbs / 5.6 kg (12 lbs 6 oz) each |
- Links
- Reviews, Comparisons and Sound Samples
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