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Home » Audio » Consumer Audio

Topping TP21 Class T Digital Amplifier with Headphone 25 WPC
Topping TP21 Class T Digital Amplifier with Headphone 25 WPC
The Topping TP21 features the Tripath 2021 Class T chip with 50 Watts of power (25W per channel). Sleek design with advanced engineering for performance and longevity. For clean power in a small amplifier that has headphone amplification, the Topping TP21 amplifier is the logical choice.
  • Tripath TA2021 Class-D/Class-T architecture for clean, efficient sound
  • High grade components provide audiophile performance
  • Ideal for multimedia sound applications
  • Space-saving small footprint perfect for desktop applications
  • Built in pre amp for use with headphones
  • Sleek faceplate making it unobtrusive

Topping TP21 Class T Digital Amplifier with Headphone 25 WPC

The Topping TP21 features brushed aluminum faceplate and black aluminum cabinet. The volume control is accentuated with a subtle blue LED illumination that when on surrounds the volume control. The unit features high quality gold RCA inputs and gold banana plug speaker connections. The on/off switch is located on the rear of the unit making the front of the amplifier clean and sleek.

A unique feature of the TP21 is the headphone output on the front faceplate. The headphone output has its own pre-amp that disables the speakers when headphones are plugged in and will easily drive any headphones in the 16-200 Ohm range. The Topping TP21 Class T amplifier is manufactured using the highest grade components, including ELNA audiophile grade capacitors, Dale resistors, and ALPS volume controls. Makes a great gift for yourself or any audio enthusiast.

Included in the box is the T Amp, a 12V 5A power supply, and USA 110V AC cord. If you've been searching for more power in a small amplifier that has headphone amplification, the Topping TP21 Tripath-based amplifier is the logical choice.


  • Brushed aluminum faceplate and black aluminum case
  • Blue LED power indicator
  • T-Amp IC Tripath TA2021
  • Front-panel 3.5 mm headphone output
  • Stereo (Left/Right) RCA audio inputs
  • Left/right (+/-) pair speaker outputs
  • Includes AC to DC power supply


  • Output power: 25W x 2 (4 ohms), 14W x 2 (8 ohms)
  • Signal-to-noise ratio (SNR): 98 dB
  • Dynamic range: 100 dB
  • Input sensitivity: 200 mV
  • THD: 00.03% @ 9W/4 ohms, 0.1% @ 12W/4 ohms, 0.1% @ 7W/8 ohms, 10% @ 25W/4 ohms, 10% @ 14W/8 ohms
  • IHF-IM distortion: 0.1% @ 1W, 4 ohms
  • Power requirements: DC 12V~14.6V, 5A, 5.5 mm x 2.1 mm jack
  • Power efficiency: 81% @ 25W, 4 ohms; 88% @ 13.5W, 8 ohms
  • Size: 4.45" W x 1.69" H x 6.77" D (113 x 43 x 172 mm)
  • Weight: 1.37 lbs. (620 g)
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List Price: $179.99
Your Price: $109.00

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Topping TP21 Class T Digital Amplifier with Headphone 25 WPC $109
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