4 ohms: 75 watts RMS per channel 8 ohms: 45 watts RMS per channel 8 ohms: 150 watts RMS, bridged mode 10Hz - 70kHz +0, -3dB < 0.02% @ 4ohms, 20Hz - 20kHz +4dB for rated output -85dB, 1kHz +/- 50 mV, Servo controlled
HD 1080P Wifi Camera radio Alarm Clock digital clock led Home
For Lithium battery expansion board:
Battery capacity: 3800mAh
Maximum output current: 1.8A
Output voltage: 5.1V ± 0.1V
Standard charging current / voltage: 1.2A/5.0V
It's convenient to power on / off raspberry pi via battery swith;
It can last about 9 hours if only pi 3.
The Lithium battery expansion board can be also used on cellphone.
Note: You can still charge this battery even if the switch is turn off;