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Nobsound G2 PRO HiFi Subwoofer /Full-Frequency Mono Digital Power Amplifier 300W

With PBTL/SUB switch: convenient to use G2 PRO as full frequency amp or subwoofer amp.Max 300W output power.Best design and HiFi sound.Mini size with exquisite appearance
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Nobsound G2 PRO Full-Frequency / Subwoofer Mono Power Amplifier

  • With PBTL/SUB switch: convenient to use G2 PRO as full frequency amp or subwoofer amp, a SUB output is specially designed for active subwoofer. G2 PRO can connect to both passive and active subwoofers. And two G2 PRO can be used to drive left and right channel independently to avoid mutual interference.
  • Max 300W output power: using TPA3255D2 amp chip and equipped with 32V/5A large power supply, enough to drive 320W passive speakers or subwoofers. It also has a good match with outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers.
  • Best design and HiFi sound: with a gain switch to allow 2-level of output level setting (32/36 dB) and SUB frequency adjustment (40-300Hz). It also has built-in speaker protection circuit, low-pass filter to guarantee no audible noise even at high power output, SUB signal and amp can output at the same time to bring HiFi listening experience.
  • Mini size with exquisite appearance: mono integrated class D amplifier, simple compact design but with powerful function, more fashionable and durable solid aluminum chassis, very suitable for HiFi home and desktop audio system use.


Max Power


Full frequency response


The speaker matches the impedance



Output 1W @ 0.03%

Working Voltage




Input sensitivity


Product Dimension


Bass cutoff frequency range adjustment


Net Weight


Slope of bass attenuation

-12dB Slope

Package Size


Packing List
  • 1* G2 PRO Mono Power Amplifier
  • 1* 32V/5A Power Supply
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