T-B20 / T-B40 / T-B60 Mini Digital Bluetooth Amplifier with MP3


Model T-B20 T-B40 T-B60
Rated Output Power 20W 40W 60W
Speaker Output 4~16Ω/100V
Input Sensitivity& Source MIC Input: +5mV, unbalanced 6.3 connector
Impedance AUX Input: 350mV, unbalanced RCA connector
Tone Bass: 100Hz±10dB, Treble: 10KHz±10dB
Frequency Response 80Hz~16KHz(-3dB)
SNR ≥75dB
T.H.D Rated power output, distortion rate≤1%
Priority Function MIC1 input has the priority than other input
Protection Overheating protection, short circuit protection, overload protection
Input Power ~220V  50Hz
Power Consumption 40W 80W 120W
Dimension 284 x 188 x 66.5mm
Weight 2.8Kg 3.5Kg 4.2Kg


It is a desktop mini constant voltage amplifier featuring beautiful appearance and light weight, which can be used for BGM playback and broadcast in small indoor venues such as homes, leisure cafes, classrooms, etc.



* Desktop amplifier, beautiful appearance, light weight, and portable design.

* Suitable for different sound effect venues; the series includes 20W, 40W and 60W options.

* Superior sound quality and speech intelligibility, support constant resistance 4~16Ω output, or 100V output; it can play beautiful music in short distances, and can also broadcast beautiful sounds in long distances.

* The output terminal adopts standard 6.3 audio microphone jack and the line input uses RCA socket, providing users with different audio input interface selections.

* 1 Microphone audio input with independent volume control.

* 2 line audio inputs with independent volume control.

* Support automatic playback of MP3 audio format musics and power-off memory function.

* Support priority function, the MIC1 input is prior to other audio signal inputs.

* Designed with power indicator, when the mains power is connected and the power switch is turned on, the indicator turns blue.

* Designed with signal indicator, the indicator color changes according to different signal outputs.

* Support short circuit, overload, over temperature and other protection functions.

* Equipped with MP3 function module, LCD display, support the playback of U disk MP3, WMA, APE, FLAC, WAV, AAC and other file formats, support TF card, and mobile phone Bluetooth function, support music name display.


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