C1 Mk2 vs ATOHM SW2
The SW2's power @ 8ω is 500W against the C1 Mk2's 200W, its low-frequency extension 23 Hz against 25 Hz, its woofer 9.06" against 12", and its drivers 2 against 1.
AI-generated product photo — not official manufacturer imagery.
C1 Mk2
ATCLoudspeakersSubwoofersPowered Loudspeakers
Estimated price (community-sourced)
$3,499
Around — community and catalog average, updates slowly
About the C1 Mk2
The ATC C1 Sub Mk2 is a high-end active subwoofer featuring a hand-built 12-inch (314mm) bass driver and a 200W Class A/B discrete MOSFET power amplifier. It is designed to provide a dynamic, low-distortion bass foundation, particularly for ATC's Entry Series speakers. The subwoofer includes comprehensive user controls such as gain, low-pass frequency, polarity, and phase adjustments. It supports both high-level and line-level inputs, making it versatile for integration with various speaker systems. The C1 Sub Mk2 is available in four real wood finishes: Cherry, Black Ash, Satin Black, and Satin White. It is backed by a six-year warranty.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 103 dB SPL @ 1W/1m
- Frequency Response
- From 25 Hz
- Power Handling
- 200W
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 200W @ 8Ω
Speaker Design
Driver configuration and enclosure design
- Driver Type
- dynamic
- Driver Size
- 12"
- Driver Count
- 1
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 450 × 360 × 400 mm (W × H × D)
- Weight
- 26.2 kg (58 lbs)
Key Specifications
Sensitivity: 103 dB
Power: 200W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions