ATC SIA2-100


Integrated Amplifier / DAC


  • 2 x line level analogue inputs

  • 3 x digital inputs: USB, Coaxial, TOSLINK

  • Premium AKM 32-bit DAC

  • USB digital input supports up to 384kHz PCM data
    and native DSD256*

  • ATC Discrete MOSFET Output Stage with
    100W/Ch. Max. Cont. Power.

  • Headphone amp featuring discrete output stage

  • Compact Size – 2/3rds width

  • Handmade in England

  • 6 year warranty

*DSD256 support via PC only (up to DSD128 via Mac).


Maximum Power Output: 100W (Continuous Av. 8 Ohms, 1kHz, both channels driven)

Line Inputs: Two, stereo (one with additional front panel 3.5mm jack)

Line Input Sensitivity: 500mV

Input Impedance: 13k8 Ohms

Line Outputs: One, stereo

Overload Capacity: 13dB

Line Output Impedance: 10 Ohms

Frequency Response: < 2Hz – > 250kHz (@ -3dB)

Total Harmonic Distortion: 1kHz <0.0015% (-96dB), 10kHz <0.002% (-90dB)

Crosstalk: >80dB (10Hz – 20kHz)

S+N/N Ratio: Wide Band > 96dB, DIN > 108dB, > IEC “A”112d

Dimensions (HxWxD): 113 x 315 x 315mm / 4.4 x 12.4 x 12.4”

Dimensions exclude rear panel connectors. Take care to leave space behind the unit for connectors and cables.

Weight: 9.70kg (24.39lbs)


Distortion: 1kHz <0.0015% (-96dB ), 10kHz <0.005% (-86dB)

Frequency Response: 20Hz – 20kHz (+/- 0.1dB)

S+N/N Ratio: >100dB (IEC “A”)

Word Lengths Supported: 16 – 24 Bit

Sample Rates Supported: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 192kHz (192kHz supported via coaxial input only)


Distortion: 1kHz <0.0015% (-96dB ), 10kHz <0.005% (-86dB)

Frequency Response: 20Hz – 50kHz (+/- 0.1dB)

S+N/N Ratio: >100dB (IEC “A”)

Word Lengths Supported: 16 – 32 Bit

Sample Rates Supported: 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96.0kHz, 76.4kHz, 192.0kHz, 352.8kHz, 384.0kHz


Frequency Response: 10Hz – 50kHz (+/- 0.1dB)

S+N/N Ratio: >100dB (IEC “A”)

DSD Rates Supported: Windows DSD64, DSD128, and DSD256, MAC OS DSD64 and DSD128

ATC reserves the right to vary products and specifications without prior notice.