❶ Adopt The Instruments TPA3255D2 chip, NE5532 op-amp. Very Quiet, Runs Extremely Cool,Easy to set up,Ship With 36V 6A power adapter,so our AIYIMA A3001 Subwoofer Amplifier can driver most home passive speakers and powered subwoofers
❷ This A3001 TPA3255 HiFi Mono class D amplifier,the Max output 300W, Exclusively designed for the customers who pursue HiFi sound
❸ Built-in low pass filter for Subwoofers With Full-Frequency and Sub Bass Switchable,Can be switched to subwoofer bass or full frequency mono amp, Can be connected to passive suboower,active subwoofer or passive speaker
❹ Add full-range mono amp & Subwoofer amplifier switchable switches to adjust the input ways according to your different needs
❺ Simple compact design,And the exterior design is delicate and beautiful little amp,It can match with your computer/ desktop /Home theatre system and so on
Please Note: The 300W power mentioned in the title is the peak power of the product when paired with a 48V 10A power supply and a speaker impedance of 4Ω. The A3001 is sold with 36V 6A, please refer to the A3001 Power Meter below for specific power figures.

Product description

Power amplifier chip	TPA3255D2
Tone chip	NE5532
Full frequency response	20Hz-20kHz (±3dB)
Speaker matching impedance	4-8Ω
RMS Max Power Output	RMS 300watt @ 2ohm load, RMS 150watt @ 4ohm load, RMS 120watt @ 8ohm load
Distortion	0.03% when outputting 1W

Using TPA3255D2 amp chip

Features ultra-low distortion, high efficiency and high power output for superior audio quality

PBTL / SUB Switchable modes

Switch to FLAT, It's a full-range mono amplifier

Switch to SUB, It's a subwoofer amplifier

Bass up frequency adjustment knob : knob is only available in bass mode

Low-pass output : connected to the active subwoofer

The TPA3255 Amp chip provides up to 300 watts of power output, delivering 150 watts RMS to a 4-ohm load or 120 watts RMS to an 8-ohm load

AIYIMA A3001 Package with DC32V 5A power supply,Provides efficient and stable power output to satisfy most home audio devices

Switch to PBTL, it's a Full-Frequency Mono amp for driving passive speakers and a powered subwoofer
Switch to SUB Mode, it's a subwoofer amplifier for diving passive and powered subwoofers
Easily Build 2.1 Channel Home Audio Systems,a great mini amp to drive most home bookshelf speakers

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TYPE	MONO Channel	MONO Channel	Stereo Channel	Stereo Channel	MONO/Stereo Channel	Stereo Channel	MONO Channel
Bass&Treble Control	NO	NO	YES	NO	NO	NO	NO
Audio Input	RCA	RCA	RCA	RCA	RCA	RCA/XLR/Trigger	XLR & RCA & Trigger Input
Audio Output	RCA/Subwoofer Out	RCA	RCA/Line Out	RCA/Line Out	RCA/Line Out	RCA/Subwoofer Out	RCA/Subwoofer
PFFB technical	NO	NO	NO	NO	NO	YES	YES