Speaker RP-160M:
FREQUENCY RESPONSE
45-25kHz +/- 3dB
SENSITIVITY
96dB @ 2.83V / 1m
POWER HANDLING (CONT/PEAK)
100W/400W
NOMINAL IMPEDANCE
8 Ohms Compatible
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Yamaha RX-V681:
AV Receiver
Amplifier Section Channel 7.2
Rated Output Power (1kHz, 1ch driven) 150 W (4 ohms, 0.9% THD)
Rated Output Power (20Hz-20kHz, 2ch driven) 90 W (8 ohms, 0.06% THD)
Maximum Effective Output Power (1kHz, 1ch driven) (JEITA) 150 W (8 ohms, 10% THD)
Dynamic Power per Channel (8/6/4/2 ohms) 125 / 165 / 190 / 235 W
who knows ?
if not match ,how should I change the AV Receiver ?