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| Number of Headphone Channels | 2-Channel |
| Recommended Headphone Impedance | 8 to 350 Ohms |
| Headphone Output Power | 1/4" Unbalanced: 1 W into 16 Ohms (1% THD) 1.5 W into 32 Ohms (1% THD) 200 mW into 300 Ohms (1% THD) 4.4 mm Balanced: 2 W into 32 Ohms (1% THD) 1 W into 16 Ohms (1% THD) XLR Balanced: 1 W into 16 Ohms (1% THD) 2 W into 32 Ohms (1% THD) 780 mW into 300 Ohms (1% THD) |
| Analog Audio I/O | 1x 4.4 mm TRRRS Balanced Stereo Line Input 1x Stereo RCA Line Input 1x Stereo RCA Line Output 2x XLR 3-Pin Balanced Mono Line Output (1 Stereo Pair) 1x 4.4 mm TRRRS Balanced Stereo Headphone Output 1x 1/4" TRS Unbalanced Headphone Output 1x XLR 4-Pin Balanced Stereo Headphone Output |
| Digital Audio I/O | 1x TOSLINK Optical S/PDIF Input 1x RCA Coaxial S/PDIF Input |
| USB I/O | 1x USB-B (Digital Input, Update) 1x USB-C |
| Wireless | Bluetooth 5.1 |
| Frequency Response | RCA Line Outputs: 20 Hz to 50 kHz -3.5 dB XLR Line Outputs: 20 Hz to 50 kHz -3.5 dB 1/4" Headphone Outputs: 20 Hz to 50 kHz -3.5 dB 4.4 mm Balanced Headphone Outputs: 20 Hz to 50 kHz 3.5 dB XLR Balanced Headphone Outputs: 20 Hz to 50 kHz 3.5 dB |
| Power Requirements | AC Input |
| Number of Headphone Channels | 2-Channel |
| Recommended Headphone Impedance | 8 to 350 Ohms |
| Headphone Output Power | 1/4" Unbalanced: 1 W into 16 Ohms (1% THD) 1.5 W into 32 Ohms (1% THD) 200 mW into 300 Ohms (1% THD) 4.4 mm Balanced: 2 W into 32 Ohms (1% THD) 1 W into 16 Ohms (1% THD) XLR Balanced: 1 W into 16 Ohms (1% THD) 2 W into 32 Ohms (1% THD) 780 mW into 300 Ohms (1% THD) |
| Digital Chipset | DAC: 1 x AKM AD4499EX AKM AK4191EQ USB: 2 x XMOS XMOS XUF 208 Bluetooth: Qualcomm QCC5124 |
| Analog Circuitry | Volume IC: 2x NJU72315 Power Amplifier Op-Amp: 2x THX AAA 788+ Low-Pass Filter Op-Amp: 2x OPA1612 |
| EQ | No |
| Display | No |
Connectivity
| Analog Audio I/O | 1x 4.4 mm TRRRS Balanced Stereo Line Input 1x Stereo RCA Line Input 1x Stereo RCA Line Output 2x XLR 3-Pin Balanced Mono Line Output (1 Stereo Pair) 1x 4.4 mm TRRRS Balanced Stereo Headphone Output 1x 1/4" TRS Unbalanced Headphone Output 1x XLR 4-Pin Balanced Stereo Headphone Output |
| Digital Audio I/O | 1x TOSLINK Optical S/PDIF Input 1x RCA Coaxial S/PDIF Input |
| USB I/O | 1x USB-B (Digital Input, Update) 1x USB-C |
| Other I/O | 1x SMA Coaxial Antenna |
| Wireless | Bluetooth 5.1 |
| Bluetooth | 5.1 |
| Supported Audio Codecs | AAC, aptX, aptX Adaptive, aptX HD, aptX LL, LDAC, SBC |
Performance
| Frequency Response | RCA Line Outputs: 20 Hz to 50 kHz -3.5 dB XLR Line Outputs: 20 Hz to 50 kHz -3.5 dB 1/4" Headphone Outputs: 20 Hz to 50 kHz -3.5 dB 4.4 mm Balanced Headphone Outputs: 20 Hz to 50 kHz 3.5 dB XLR Balanced Headphone Outputs: 20 Hz to 50 kHz 3.5 dB |
| Maximum Output Level | RCA Line: 2.3 Vrms (At 1 kHz, 10 Kilohms) XLR Line: 4.7 Vrms (At 1 kHz, 10 Kilohms) 1/4" Headphone Outputs: 21 V p-p 4.4 mm Balanced Headphone Outputs: 42 V p-p XLR Balanced Headphone Outputs: 42 V p-p |
| Impedance | Headphone/Balanced Headphone Outputs: < 1 Ohm (32-Ohm Load) |
| THD+N | RCA Line: < 0.00027% (1 kHz /-0.7 dB at 10 Kilohms) XLR Line: < 0.0002% (1 kHz /-0.7 dB at 10 Kilohms) 4.4 mm Line: < 0.00029% (1 kHz / -9.5 dB at 32 Ohms) 1/4" Headphone: < 0.00026% (1 kHz / -1.3 dB at 32 Ohms) 4.4 mm Balanced Headphone: < 0.00029% (1 kHz / -9.5 dB at 32 Ohms) XLR Balanced Headphone: < 0.00029% (1 kHz / -9.5 dB at 32 Ohms) |
| SNR | RCA Line: 119 dBA XLR Line: 128 dBA 4.4 mm Line: 124 dBA 1/4" Headphone: 127 dBA 4.4 mm Balanced Headphone: 124 dBA XLR Balanced Headphone: 124 dBA |
| Noise | RCA Line Outputs: < 2.9 µV (A-Weighted) XLR Line Outputs: < 1.9 µV (A-Weighted) 1/4" Headphone: < 3 µV (A-Weighted) 4.4 mm Balanced Headphone: < 5.2 µV (A-Weighted, Aux In) XLR Balanced Headphone: < 5.2 µV (A-Weighted, Aux In) |
| Crosstalk | RCA Line Outputs: 112 dB (1 kHz, 10-Kilohm Load) XLR Line Outputs: 122 dB (1 kHz, 10-Kilohm Load) 1/4" Headphone: 76 dB (1 kHz, 32-Ohm Load) 4.4 mm Balanced Headphone: 116 dB (1 kHz, 32-Ohm Load) XLR Balanced Headphone: 116 dB (1 kHz, 32-Ohm Load) |
Digital Audio
| Sample Rates | USB-A Input: 768 kHz (PCM) Optical S/PDIF Input: 96 kHz (PCM) Coaxial S/PDIF Input: Up to 192 kHz (PCM) |
| Bit Depths | Up to 32-Bit (PCM) |
Compatibility
| OS Compatibility | Windows macOS |
| Mobile App Compatible | Yes: Android & iOS App Name: FiiO Control Functionality: Adjust Settings |
| Mobile Device Compatibility | No |
Power
| Power Requirements | AC Input |
| AC Input Power | User Selectable: 100 to 240 VAC, 50 / 60 Hz |
| AC/DC Power Adapter | No |
Physical
| Dimensions | 8.8 x 7.9 x 2.8" / 224.5 x 200 x 72 mm (without Feet) |
| Weight | 5.7 lb / 2.6 kg |
Packaging Info
| Package Weight | 8.21 lb |
| Box Dimensions (LxWxH) | 14.3 x 12.6 x 6.9" |
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