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Topping PA3 Mini Amplifier (2 Input) - 80W x2

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Ideal for driving bookshelf speakers, the Topping PA3 is a compact power amplifier equipped with ST’s class-D TDA7498E amp chip. It delivers 80 watts per channel at a 4-ohm load—enough to drive 10-inch speakers—and has a curved, screwless front panel design that looks sleek in any setup. Two LEDs indicate the input status, while an MCU monitors issues like overload, overheating, overvoltage, and low voltage. On the rear panel, you’ll find two RCA inputs, which allow you to connect two devices at a time and easily switch between them on the front panel. Additional components include an ALPS potentiometer, EPCOS film capacitors, a Nichicon hi-fi capacitor, and an OMRON relay.

Two-way analog inputs. PA3 has over load, over heat, over voltage and low voltage protection. Output power can reach to 80W *2 . PA3 signal link uses Hifi devices: ALPS potentiometer, EPCOS capacitance, Omron relay. PA3 uses the MCU+TDA7498E project.

  • Topping
  • Aluminum construction
  • Curved, screwless front panel
  • Embedded rear panel
  • TDA7498E amp chip
  • Suitable speaker impedance: 4–8 ohms
  • Maximum output power: 80W x 2 (4 ohms), 70W x 2 (8 ohms)
  • THD+N at 1 kHz): 0.04%
  • Input sensitivity: 0.6 Vrms (4 ohms), 0.9 Vrms (8 ohms)
  • Noise (A-weighting): < 0.5 mW
  • Gain: 29.3 dB
  • SNR: 89 dB (4 ohms), 91 dB (8 ohms)
  • Analog input: 2 x RCA (L+R)
  • Analog output: Banana jack, BTL output
  • Dimensions: 6.6 x 4.7 x 1.5 in (16.8 x 12 x 3.7 cm)
  • Weight: 18.2 oz (515 g)
  • Power adapter
  • Power cord
  • User manual
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Ang Mo Kio / Bishan / Thomson
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