They ran an ad like this ...
TOPPING D50S DAC, PA3, & P50 $89
SPECS
D50s
Topping
Type: Desktop
D/A Converter: ES9038Q2M (2)
Material: Metal
PCM sampling frequencies: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz, 352.8 kHz, 384 kHz, 705.6 kHz, 768 kHz
DSD Sampling Frequencies: 2.8224 MHz (DSD64), 5.6448 MHz (DSD128), 11.2896 MHz (DSD256), 22.5792 MHz (DSD512)
Outputs: RCA
PCM Word Length: 16-bit, 24-bit, 32-bit
Inputs: USB Type-B, Optical (SPDIF), Coaxial
Wi-Fi: No
USB Compatibility: Windows 7, 8, 8.1,10
Bluetooth: Yes
PA3
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)
P50
Topping
Power input: AC110V/AC220V 50HZ/60Hz
Power output: (2) USB-A, (1) DC(5.5/2.1)
Power supply noise:
