| SMSL Audio DL300 AK4499EX Chip Audio DAC | |
| Input | USB/Optical/Coaxial/Bluetooth/125 |
| Output | RCA/XLR/6.35mm and 4.4mm headphone |
| THD+N | 0.00006% (-124dB)(UN-WTD) |
| HPA THD+N | 0.0001% (-120dB)(UN-WTD) |
| Line Output Amplitude | XLR 5Vrms/RCA 2.5Vrms |
| Headphome output power | 2Wx2(160) 1Wx2(320) |
| Output Impedance | XLR 200Ω
RCA 100Ω HPA near 0Ω |
| HPA Gain Control | low 0dB/high +7dB |
| Dynamic Range | XLR 132dB HPA 127dB |
| SNR | XLR 132dB HPA 127dB |
| USB transmission | Asynchronization |
| USB compatibility | Windows 7/8/8.1/10/11 (Needs Driver)
Mac OSX10.6 or Later、Linux (Driverless) |
| MQA Decoder | USB/Optical/Coaxial |
| MQA-CD Decoder | Optical/Coaxial |
| Sampling rate & Bit Width | USB
PCM
44.1~768kHz(32bit)
2.8224~22.5792MHz(1bit)
DoP DoP256 |
| Optical / Coaxial | 44.1~192kHz(24bit)
DoP DoP64 |
| Bluetooth specification | 5.1 LDAC/apt-X HD/apt-X/AAC/SBC |
| Power Consumption | <20W |
| Standby power | <0.5W |
| Size | 222x39x207mm(WxHxD) |
| Weight | 1.54kg/3.40lb |