| Item | Description | Remarks |
Inputs/Outputs |
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| Inputs (rear) | USB 2.0 type A “OTG” Socket (with iPurifier® technology built-in) |
Compatible with computers (Apple/Win/Linux), iPhone, iPod Touch, iPad and Android Devices, camera kit or USB-OTG cable required. (Full USB3.0 port compatible) |
| Intelligent SPDIF® Coaxial | 3 Way combo SPDIF port (Coaxial In/Out; Optical In); Up to 192kHz PCM | |
| SPDIF Optical | ||
| Outputs (rear) | Audio RCA L+R | |
| Intelligent SPDIF® Coaxial | Up to 192kHz PCM | |
| Output (right side) | SmartPower® Socket | Fast charge all portable devices. Compliant with USB Battery Charging Standard 1.2 – 5V @ 1.5A |
Controls |
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| Controls (front) | ||
| – HP Output | Audio 6.3mm Headphone Jack | |
| – Volume with Power On/Off switch | Precision analogue volume control | <2dB Tracking error |
| – 3.5mm Input | Auto disable the digital section when this is in use | |
| – X-Bass® | On/Off | |
| – 3D Holographic Sound® | On/Off | Auto-switching for Speakers® and Headphones® (two separate and distinct circuits) |
| Controls (left side) | ||
| – Power Mode | Turbo, Normal, Eco | Computer controlled power and gain scaling |
| – Polarity | Normal/Inverted | |
| – Filter | 3 positions, 6 filters | (see filter section below) |
| Controls (bottom) | ||
| – Line Direct/Preamplifier | Preamplifier function Enable/Disable, 0/9dB gain selectable | Fixed 2V or variable with up to 5V available |
| – iEMatch® | Perfect-matching circuit for IEMs (eliminate hiss) | Off / High Sensitivity Headphone / Ultra Sensitivity Headphone |
DAC section |
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| DAC | Dual-core DSD, DXD, PCM DAC by Burr Brown | 2-DAC Chip; 4-Channel; 8-Signals, custom interleaving for maximum SNR |
| Bit-Perfect DSD processing, Bit-Perfect PCM processing | ||
| Clock | Ultra low jitter GMT computer controlled Femto Clock | RMS jitter 12kHz – 1MHz < 280 Femtoseconds |
| Audio Formats | DSD 512/256/128/64 24.6/22.6/12.4/11.2/6.2/5.6/3.1/2.8 |
All native decoding, no internal hardware conversion |
| DXD 2x/1x 768/705.6/384/352.8kHz |
All native decoding, no internal hardware conversion | |
| PCM 768/705.6/384/352.8/192/176.4/96/88.2/ 48/44.1kHz |
All native decoding, no internal hardware conversion | |
Filters |
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| – PCM | Bit-Perfect Processing/Minimum Phase/Standard | Digital filters selectable |
| – DSD | Extreme/Extended/Standard Range | Analogue filters selectable |
| – DXD | Bit-Perfect Processing | Fixed analogue filter |
Specifications (DAC Section) |
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| Dynamic Range (Line) | >117db(A) | |
| THD & N (0dBFS Line) | <0.003% | |
| Output Voltage (Line) | >2V | |
| Output Impedance (Zout) | < 240Ω | |
| Jitter (correlated) | Below AP2 test set limit | |
Headphone Power Output |
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| HP Amp Output | Power (max) | Power (continuous.) |
| – Turbo mode | 10.0V/4,000 mW @ 16 Ohm | >1560 mW @ 64 Ohm |
| > 166 mW @ 600 Ohm | ||
| – Normal mode | 5.5V/1,900 mW @ 16 Ohm | > 950 mW @ 32 Ohm |
| > 100 mW @ 300 Ohm | ||
| – Eco mode | 2.0V/500 mW @ 8 Ohm | > 250 mW @ 16 Ohm |
Specifications (Headamp Section) |
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| Dynamic Range (HP) | >115dB(A) (Eco Mode, 2V Out) | |
| THD &N (HP 500mW/16R) | < 0.008% | |
| Output Voltage (HP) | >8V (Turbo Mode) | |
| Output Impedance (Zout) | <1Ω (iEMatch not engaged) | |
| Maximum Output Power | 4,000mW @ 16 Ohm Load | when using sinewave testing the micro iDSD BL may engage protection circuits |
| Continuous Output Power | 1,000mW @ 64 Ohm Load |
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