Feaure:
1.It has two inputs, one AUX input and the other RCA input, which is convenient to connect to the traditional wired analog signal input; the channel input can be freely switched.
2.Adopt tweeter, midrange, and bass tone design:: Increase tweeter, midrange, and bass adjustments so that all frequency bands of the audio source are within the adjustable range.Users can enhance or attenuate the midrange, treble, and low frequencies according to their personal preferences until they achieve the best sense of experience.(Most of the high and low audio rates on the market)，
3.Increase the output of the active device that can be connected, so that the active subwoofer or the next active power amplifier device can be added (which can bring you the continuity of 2.1/4.1 channels).
4.Two TI TPA3116 power amplifier chips are used, and one TPA3116 is used for PBTL mode for each channel: the distortion is lower, it can support greater output power, and the speaker output can support the lowest energy to 2 ohm impedance (most of the market is a tpa3116). 3 NE5532 op amps are used internally.
5.The output power inductor uses shielded inductors to better protect the wires, loops, and coils from the influence of external magnetic fields, as well as to weaken the interference of the electromagnetic fields generated by the circuit to other components.
6.Supply voltage: DC15V-24V, 3A or more. Voltage socket 5.5*2.5, negative outside and positive inside.The DC seat uses all-metal materials with fireproof flowers, which is safer to power on and provides a guarantee for stable work with high power.
7.No switch on and off machine impact sound, take care of your horn
9.Large heat sink, long-term high-power stable work to provide a guarantee
10.The knob functions are from right to left: total volume adjustment, left and right channel treble adjustment, left and right channel mid-tone adjustment, left and right channel bass adjustment

Product parameter:
Mode： A01
Chipset: TPA3116*2+NE5532*3
Replaceable OP amp chips: SRT3609SM, OPA2604, OPA2314, LM4562, JRC5532, OP275GSZ, OPA1612AIDR, etc.
Distortion: 4 ohm/1W/0.03％
Signal-to-noise ratio: 100dB
Frequency response: 20Hz-20kHz (±1.5dB)
Input sensitivity: 0.775V
Speaker impedance: 4-8 ohms
Output power: 80W*2/4 ohm
Audio input mode: RCA, AUX
Supported equipment: computer, CD, mobile phone, MP3, etc.
Output mode: passive speaker output, LINE OUT output
LINE OUT: Power amplifier or active subwoofer
Working power supply: DC15-24V, 3A or more
Size: 130*90*33mm

Package included:
1Pcs A01 TPA3116 Power Amplifier

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