Description
General
- Product Name – Quantum HD 8 USB-C Audio Interface, EU
- Series – Quantum
- Color – Black
Microphone Inputs
- Connection Type – XLR Female (Combo), Balanced
- Frequency Response – 20 Hz to 20 kHz, +/- 0.1 dB (Unity Gain, Reference 1 kHz)
- Input Impedance – 1600 Ohms
- Dynamic Range – 116 dB (A-Weighted, Minimum Gain)
- EIN – -130 dBu (Maximum Gain, 150 Ohms, 20 kHz BW, A-Weighted)
- THD+N – 0.002% (1 kHz, Minimum Gain)
- Gain Range – 75 dB
- Maximum Input Level – +18 dBu (Balanced, Minimum Gain)
- Phantom Power – +48 VDC
Line Inputs
- Frequency Response – 20 Hz to 20 kHz, +/- 0.1 dB (Unity Gain, Reference 1 kHz)
- Input Impedance – 10K Ohms
- Dynamic Range – 118 dB (A-Weighted, Minimum Gain)
- THD+N – 0.001% (1 kHz, Minimum Gain)
- Gain Range – ± 10 dB
- Maximum Input Level – +18 dBu (Balanced, Minimum Gain)
Instrument Inputs
- Frequency Response – 20 Hz to 20 kHz, +/- 0.1 dB (Unity Gain, Reference 1 kHz)
- Dynamic Range – 111 dB (A-Weighted, Minimum Gain)
- THD+N – 0.003% (1 kHz, Minimum Gain)
- Gain Range – 75 dB
- Maximum Input Level – +21 dBu (Unbalanced, Minimum Gain)
Line Outputs
- Connection Type – 1/4″ TRS Female
Main Outputs
- Connection Type – 1/4″ TRS Female
Headphone Outputs
- Connection Type – Two – 1/4″ TRS Female Stereo
- Frequency Response – 20 Hz to 20 kHz, +/- 0.3 dB (Unity Gain, Reference 1 kHz)
- Impedance Working Range – 33 Ohms
- Dynamic Range – 118 dB (A-Weighted)
- THD+N – 0.001% (1 kHz)
- Maximum Output Level – 11 dBu (50 Ohms)
MIDI I/O
- Connection Type – 5-Pin Female DIN
Power
- Voltage – 230V EUR
- Voltage Requirements – 100-240 VAC, 50-60 Hz
Digital Audio
- Connectivity – USB-C®
- Bit Depth – 32-bit
- Dynamic Range – 124 dB
- Supported Sample Rates – 44.1, 48, 88.2, 96, 176.4, 192 (kHz)
Measurements
- Height – 1.7” (43.1mm)
- Depth – 8.6″ (218 mm)
- Width – 19″ (483mm)
- Weight – 6.3 lbs. (2.9 kg)







