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Feature

DC 8-25V 50W+50W Dual channel mini power amplifier with volume adjustment knob; rich high & low frequency; great for various bookshelves
Not include power adapter, please make sure that you have a great and low ripple power adapter which it won't have much interference on the amp
Delicate blue aluminum alloy case, gilt RCA and crystal output terminals for speakers; one little knobs in the front for volume control, rotating smoothly and accurately
High speed capacitances in array distribution, low internal resistance; equipped with ON/OFF switch and indicator for indicating working status
Product size: (Length)137mm x (Width)90mm x (Height)38mm, handle size that you can place it in many places the the silica gel pads can keep the device in place

Description

Parameter:
Power supply: DC 8-25V
Channel: two(left & right)
Power: 50W+50W
Outer diameter of power connector: 5mm
Inner core of power connector: 2.1mm
Size: 137mm x 90mm x 38mm(LxWxH)

Advantage:
-Adopt chip which can get clear and clarity sound, no pop/ no audible noise, dead silent when nothing is playing;
-90% high efficiency and lower internal resistance because we used of import seal potentiometer and high speed capacitor array

Usage:
You can use cell phone, CD player, computer, MP3/MP4 or TV as RCA input, then connect your bookshelf/computer/desktop speakers;

Note:
-The package does not include a power adapter, it is better to prepare it by yourself;
-The power supply should be with small power ripple and the power voltage can be 12-24V. (If in low voltage, the output power will be in low display, and finally the speaker will be in low voice, either.
-Signal wire needs shield layer to avoid interrupting small signal for balanced input and output signal to maintain a high-quality sound;
-The hifi speaker can be connected with mobile phone and computer, but the quality of voice will be based on the signal source or the signal wire;
-Only in the situation of sufficient audio input, voltage and current can the amplifier has enough output power. The power will be higher when voltage of the power adapter is relatively high, speakers with different impedance will have different output power. When there is sufficient voltage and current, the higher ohm is the speaker, the lower power is the sound.

Package include:
1xAmplifier