CSi40 vs Bowers & Wilkins Matrix HTM
The Matrix HTM's sensitivity is 89 dB against the CSi40's 91 dB. Both share impedance (8Ω), woofer (6.5"), and ways (2).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersCenter Channel SpeakersDiscontinued
Estimated price (community-sourced)
$400
Around — community and catalog average, updates slowly
About the CSi40
The Polk Audio CSi40 center channel speaker delivers consistent, reliable sound with a frequency response of 50-26,000 Hz (-3dB), 8-ohm impedance, and 91 dB sensitivity. It can handle up to 250 watts of power and incorporates Polk's PowerPort technology for full, clean bass. The speaker features a black wood veneer finish and dual 5-way gold-plated binding post terminals. Its dimensions are approximately 22.63" (W) x 11.8" (H) x 7.63" (D). The CSi40 is video-shielded and uses a bass-reflex design to enhance low-frequency performance. It is well-regarded for delivering clear dialogue and dynamic sound effects in home theater setups, making it a favored choice among Polk Audio's center channel speakers.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 91 dB SPL @ 1W/1m
- Impedance
- 8Ω
- Frequency Response
- 50 Hz - 26 kHz
- Power Handling
- 250W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 2-way
- Driver Type
- dynamic
- Driver Size
- 6.5"
- Driver Count
- 3
- Enclosure Type
- ported
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 575.5 × 299.72 × 193.68 mm (W × H × D)
- Available Colors
- Black wood veneer
Key Specifications
Sensitivity: 91 dB
Impedance: 8Ω
Frequency: 50-26000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions