Product Review

Topping D30 amplifier with DSD provides higher resolution and details than CD, enables you enjoy high-quality music. supports USB, coaxial and optical inputs with the rate of 16-24 bit/ 44.1-192 kHz, which included most of the digital inputs.
with simple operating system, enables you to get what you want easily.

Specifications:
shell material: aluminum> digital audio input interface: USB +coaxial +optical fiber
analog audio output interface: 1*rca (1 channel stereo)
weight: about 427G/0.94 lb
- size: 6.97(L) x 4.8(W) x 1.5(H) inch/ 17.7 x 12.2 x 3.8 cm>
DAC:
- decoding range:
USB: 16-24 bit/ 44.1-192Khz, DSD64, dsd128
optical fiber: 16-24 bit/ 32-192KHz> coaxial: 16-24 bit/ 32-192KHz> - background noise (sampling rate 44.1kHz):
USB: 3.9Uvrms
optical fiber: 5.2Uvrms
coaxial: 5.1Uvrms
- line out output level: 2.1Vrams @1kHz> - Typical distortion (@1kHz, sampling rate 96khz)
USB: 0.00062%
optical fiber: 0.00063%
coaxial: 0.00065%
- SNR (sampling rate 44.1kHz):
USB: 115.7Db
optical fiber: 113.2Db
coaxial: 113.4Db
- channel separation (@1kHz, sampling rate 44.1Khz)
USB: -117.7Db
optical fiber:-117.6Db
coaxial:-117.6Db
- frequency Response: 10-20khz +-0.03Db

package List:
- 1 x Topping D30 digital power amplifier> - 1 x power adapter> - 1 x USB Cable