Model

STD-4004 STD-6004 STD-8004 STD-9004 STD-10004 STD-12004 STD-15004 STD-18004
8Ω Stereo power

4 x 400W 4 x 600W 4 x 800W 4 x 900W 4 x 1000W 4 x 1200W 4 x 1500W 4 x 1800W
4Ω Stereo power

4 x 600W 4 x 900W 4 x 1200W 4 x 1350W 4 x 1500W 4 x 1500W 4 x 1500W 4 x 1500W
8Ω bridged Stereo power

1200W x 2 1800W x 2 2400W x 2 2700W x 2 3000W x 2 3600w x 2 4500w x2 5400 w x2
Channel

4
Output connectors

Speakon Connectors
Frequenty response

20Hz - 30kHz +- 0.5dB
Signal noise ration (dB)

110dB
THD + N (rated power, 40/kHz)%

< 0.1%
Input connectors

Combo XLR type, 3pin
Link connectors

XLR type, 3 pin male
Input impedance

（20Hz-20kHz, balanced)； 20k Ohm Balanced or 10k Ohm Unbalanced
Input gain

Rear panel: 0.775V/1.0V/1.4V
Fan

3 PCS temperature control cooling Fan
Protection

temperature , DC, sub/ultea-sonic, short Circuit, over load, IGM, output
Indicators (per channel)

Protect indicator, Signal indicator, Work indicator
Power requirement