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XM6 Specifications

DescriptionPortable Audio Headphone Amplifier
USB DAC & UpcoverterDAC: Wolfson Microelectronics WM-series High-Performance stereo DAC, operating at 192kHz with 24-bit resolution.

Upconverter: Texas Instruments SRC4192 192kHz Asynchronous High-Performance Sample Rate Converter.
Weight145 grams (5.1oz)
Dimensions (excluding volume knob)3.9" x 2.125" x 0.9" (9.9cm x 5.4cm x 2.3cm)
Power SourceLithium-Ion Rechargeable System
External Power SupplyLithium-Ion adapter/charger, 120-240VAC, 50/60Hz worlwide compatible
Battery Charge Time (approx.)1.5 hours
Battery Life (approx, depending on installed options35 hours
Maximum Gain+10.3dB (Gain Boost disabled)
+18.4dB (Gain Boost enabled)
Frequency Response (20-20,000Hz, typical, front panel input+0.1dB, -0.3dB
-3dB Point (typical, front panel input)21 kHz at top end
9 Hz at low end
Total Harmonic Distortion THD (typical, front panel input)0.0005%
Intermodulation Distortion (typical, front panel input)0.003%
Signal to Noise ratio (20-20,000Hz, typical, front panel input)109dB
Dynamic Range (20-20,000Hz, typical, front panel input)109dB
Bass Boost (approx.)+6dB @ 100Hz
Treble Boost (approx)+3dB @ 10kHz
CrossfeedActive, user-adjustable from mono to near-stereo using potentiometer;
User can bypass using pushbutton
Auto Power-OFFUser selects between 1, 3, or 6 hour poweroff interval, or unit can be set to stay on indefinitely.
Status IndicatorsTwo LEDs (one blue, one amber), indicating: low battery warning, battery voltage, and power
Integrated Voltmeter accuracy (typical)±100mV
  • Anodized aluminum case
  • Glossy anodized & etched front and rear plates
  • Polished aluminum volume knob
  • FR-4 quad-layer impedance-controlled Printed Circuit Board with 1 oz. copper
Output ImpedanceUser-switchable between 0Ω and 75Ω
  • Multimedia Controller stick: USB Play/Pause/Next Track/Previous Track
  • Turn on both LEDs to full brightness;
  • Dimming mode: Allows user to optionally dim the blue LED;
Rearpanel Line-Out1.7 VRMS nominal output
Auxiliary ConnectorProprietary 2x4 2mm connector, containing +USB5V, LineOut analog, and multimedia controller signals

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