Topping TP30 & Topping TP31 Headphone DAC Amplifiers

Topping TP30 & Topping TP31 Headphone DAC Amplifiers

For many audio hobbyists the biggest kick comes not from being able to buy something very expensive, (though I do hope to experience this someday) but rather from discovering a really good value. With my enthusiasm growing for headgear the opportunity to find such bargains is turning into a quest. One of the first products in the category is the Topping TP31 and it’s sibling, the TP30. The difference between the two is that the TP30 has a USB input, while the TP31 is Coaxial.

Inputs: Coaxial, RCA Line in L/R
Outputs: Line out RCA L/R, Headphone
Jack, Speakers L/R
Amplifier: Class-T Tripath TA 2024 BTL

Output Power 2 x 15W @ 4ohm, 2 x
10W @ 8ohm
Signal-to-Noise Ratio (SNR) 98dB
Dynamic Range 98dB
IHF-IM Distortion 0.1% @ 1W, 4ohm
THD Distortion:
0.03% @ 9W, 4ohm
0.1% @ 11W 4ohm
0.1% @ 6W 8ohm
10% @ 15W 4ohm
10% @ 10W 8ohm
Power Efficiency: 81% @ 15W, 4ohm, 90% @ 10W, 8ohm
Input Sensitivity: 200mV
Power socket:
TP-30 DAC: TP30 uses the 2704 with 16 bit 48khz
TP-31 DAC: Built-in high-fidelity coaxial DAC (PCM1793) – support for 32kHz-192kHz 16-24bit PCM format digital coaxial signal
Headphone Output: 3.5mm 16-200 ohm
Face plate: 8mm thick CNC machined aluminum
Connectors: High quality Gold Plated RCA
Size: 4 inches wide x 8 inches deep x 1 ¾ inches high
Weight: Main unit only 720g

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