Model: CX800 800Wx1CH
Output circuitry:Class D
Output power(RMS,≤1% THD + N@0.5 ohms):NA
Output power(RMS,≤1% THD + N@1 ohms):820W
Output power(RMS,≤1% THD + N@2 ohms):550W
Output power(RMS,≤1% THD + N@4 ohms):330W
Signal-to-noise (@ 1W):>90dB
Input Sensitivity :0.2V-5V
Dimensions (L x W x H):53x228x344mm
Following table is the RMS output power with THD+N value at 5%, 3%, 2% and 1%.
800W rms Class-D amplifier.
1 ohm load stable.
Double Side PCB and SMD components.
Adjustable Input level, LPF, Subsonic, bass boost function.
Advanced short circuit, overload, over heat and low voltage protection.
Easy bridgeable with same amplifier.
Heavy duty terminals.
Optional wired remote controller.
3 Detailed specs:
3.1 Test Condition.
All the specs were tested with following condition unless noted.
1. Power supply: 14.4V DC power supply
2. Test signal: 80Hz sine wave.
3. Loads: Resistor dummy load.
4. Environment: 25 degree C, open air.
5. Relative humidity: 70%.
6. Instruments: Audio Precision SYS-2322
3.2 Output power performance.
Table 1Output Power with THD
|RMS power (1ohm)
||RMS power (2ohm)
Following chat shows the output power with THD curve at 4ohm load, 2ohm load and 1ohm load.
Chart 1. RMS output power @4ohm with THD
Chart 2. RMS output power @2ohm with THD
Chart 3. RMS power @1ohm with THD
3.3 Frequency Response
1. -3dB frequency response: 14Hz~218Hz.
2. -1dB frequency response: 18Hz~162Hz.
Chart 4.Frequency Response
3.4 LPF & Subsonic Filter features
- LPF adjustable from 48Hz~218Hz, with 24dB/Oct slope.
- Subsonic Filter adjustable from 10Hz~50Hz, with 24dB/Oct slope.
Chart 5.LPF response
Chart 6.Subsonic Filter response
3.5 Bass Boost Feature
Bass boost gain adjustable from 0~+12dB.
Chart 7.Bass boost response
3.6 Bass boost frequency
Bass boost frequency adjustable from 30HZ to 80Hz.
0.17% test at 30% full output power, 4ohm load.
3.8 Signal to noise ratio
3.9 Input Level
3.10 Protection System
Protect less than 0.8Ohm load at full rated output power.
2. Short Circuit:
Full rated power short circuit protect test: passed.
Full rated power long last short circuit test: 10 minutes passed.
3. Over temperature:
Protect while inner temperature over 81 degree C.
4. Low/over voltage:
Protect while power supply voltage lower than 8.6V or over 16.2V.
3.11 Idle current and Efficiency:
1. Idle current: 0.94A
2. Efficiency: 88% at THD+N=1% (4ohm)
3.12 Bridge method
X801 can be bridged with same amplifier through single RCA cable, no addition switch needed. All the adjustable functions on slave amplifier will follow master once be bridged.
This amplifier’s size is at 228mmX280mmX53mm(W,L,H).