ATC SIA2-100


ATC speakers and Hifi components are now available for audition on the Gold Coast and Northern NSW. To arrange an audition or to discuss the ATC line up please contact Terry on 0419448452.

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.