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Product name: Quadraphonic Pure post-class r
product code:
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Function Introduction
Small PA system ideal for cost-optimal;
Integrated four-channel output;
Protection and warning functions with output short circuit, overload, overheating, etc;
Pressure limiter circuit to limit the input signal is too large;
Transformer compartment 70V / 100V, or 8 ohm speaker output fixed resistance;
Performance parameters
Model: K-4S60 / K-4S120 / K-4S180 / K-4S240
Output power: 4 × 60W / 4 × 120W / 4 × 180W / 4 × 240W
Output: 8 OHMS (Europe) impedance output, 70V / 100V constant voltage output
Auxiliary output: 600 OHMS (Europe) / 1V (0DBV)
Microphone Input: 600 OHMS (Europe), 10MV (-54DBV), unbalanced
Line in the input: 10K OHMS (Europe), 250 MV (-10 DBV), unbalanced
Frequency response: 60HZ-18KHZ
The degree of distortion: <1% at 1KHZ, 1/3 rated power output
SNR: line 70dB, 66dB mic
Volume can be adjusted: BASS: ± 10 DB (100HZ), TREBLE: ± 10DB (10KHZ)
Power: AC220V ~ 240V / 50 ~ 60HZ
Fuse: 8 A / 10 A / 12 A / 15 A
Dimensions: 485 × 410 × 90mm (W × D × H)
Weight: 13 Kg / 18 Kg / 19.5 Kg / 22 Kg

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