Model: | sj-20w-40w-100w |
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Brand: | - |
Origin: | Made In China |
Category: | Electronics & Electricity / Telecommunication & Broadcasting / Wireless Equipment |
Label: | Bluetooth module , 20W Stereo Power Amp , Wireless Audio Recei |
Price: |
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Min. Order: | 1 pc |
Bluetooth Power Amplifier Introduction
1:The product uses the latest Bluetooth BT4.0 module (CSR-BC7), effective reception distance of approximately 15 meters to 20 meters.
2:A2DP Multipoint Support
3:Standard:BT4.0,BLE,Class 1.5
Frequency Band:2.402G ~ 2.480G
4:Maximum Data Rate:3Mbps
5:For a variety of Bluetooth devices to receive.
6:Power amplifier modules ,use BTL class-D audio amplifier, Low power consumption, no heat sink。
20 W or40w or 100w continuous output power:
RL = 8 Ω, THD = 10% at VCC = 16 V
■ Wide-range single-supply operation (9 V - 16 V)
■ High efficiency (η = 90%)
■ Four selectable, fixed gain settings of
nominally 20 dB, 26 dB, 30 dB and 32 dB
■ Differential inputs minimize common-mode
noise
■ No ‘pop’ at turn-on/off
■ Standby and mute features
■ Short-circuit protection
■ Thermal overload protection
Key Functions:1:Play / Pause,Long press the button for 5 seconds Bluetooth is opened,Red green indicator lamp flashing alternately, search for Bluetooth devices (CSR-BC7), only the green light flashes, Bluetooth pairing success.。
2:The next choice key,Long press the button = increase volume,
3:The previous choice key, long press the button = volume reduction.。
4:Bluetooth the red and green indicator lamp flashing alternately。
5:Volume control potentiometer and power switch.
6:Two speakers connected,20W8ohm or 40W or 100w
7:DC input voltage:DC9-16V