C165 vs MartinLogan Helos 12
The Helos 12's low-frequency extension is 47 Hz against the C165's 50 Hz. Both share impedance (4Ω), high-frequency extension (20 kHz), and woofer (6.5").
AI-generated product photo — not official manufacturer imagery.
C165
Cambridge AudioLoudspeakersIn-Wall/Ceiling Speakers
Estimated price (community-sourced)
$179
Around — community and catalog average, updates slowly
About the C165
The Cambridge Audio C165 is a single premium in-ceiling speaker for custom installations. It features one 6.5-inch (165 mm) woofer and one 1-inch (25 mm) tweeter, with a 50 Hz–20 kHz frequency response and 4-ohm impedance. Its IP65 rating makes it suitable for humid or dusty environments, including bathrooms. The speaker measures 97 mm deep by 240 mm in diameter and requires a 202 mm mounting cutout.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Impedance
- 4Ω
- Frequency Response
- 50 Hz - 20 kHz
Speaker Design
Driver configuration and enclosure design
- Driver Size
- 6.5"
- Driver Count
- 2
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 97 × 240 mm (W × H × D)
- Weight
- 1.28 kg (3 lbs)
Key Specifications
Impedance: 4Ω
Frequency: 50-20000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions