Reserve R700 vs Bowers & Wilkins CM9 S2
The CM9 S2's sensitivity is 89 dB against the Reserve R700's 88 dB and its low-frequency extension 46 Hz against 38 Hz. Both share impedance (8Ω) and ways (3).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersFloorstanding Speakers
Estimated price (community-sourced)
$899 - $2,398
Around — community and catalog average, updates slowly
About the Reserve R700
The Polk Audio Reserve R700 is a premium large floor-standing tower speaker, featuring a 1-inch Pinnacle Ring Radiator tweeter, a 6.5-inch Turbine Cone midrange driver, and two 8-inch polypropylene woofers. It offers a frequency response of 38Hz to 37kHz (or 30Hz to 50kHz as per some specifications), with a sensitivity of 88 dB and an impedance of 8 ohms, though the minimum impedance is 3.6 ohms. The speaker is designed with a ported enclosure and includes Power Port 2.0 with X-Port for enhanced bass performance. It is available in a black finish and weighs approximately 77.9 lbs per speaker. The R700 is suitable for both stereo and home cinema setups, offering a dynamic sound experience.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 88 dB SPL @ 1W/1m
- Impedance
- 8Ω
- Frequency Response
- 38 Hz - 37 kHz
- Power Handling
- 300W
- Min. Amplifier Power
- 50W
- Max. Amplifier Power
- 300W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 3-way
- Driver Type
- dynamic
- Driver Size
- 8"
- Driver Count
- 4
- Enclosure Type
- ported
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 320.04 × 1143 × 429.42 mm (W × H × D)
- Weight
- 35.34 kg (78 lbs)
- Available Colors
- Black
Key Specifications
Sensitivity: 88 dB
Impedance: 8Ω
Frequency: 38-37000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions