Description
- All ATC products sold by our company are made in the UK.
- This product comes with a 1-year warranty and free delivery service (Hong Kong only).
ATC SIA2-100 Decoder + Integrated Amplifier

Despite its compact size, the SIA2-100 delivers high power output and exceptional analytical capabilities. This integrated amplifier with built-in decoding is ideal for driving ATC small and medium-sized speakers, as well as speakers of various types from other manufacturers. Its understated design makes the SIA2-100 easy to integrate with other devices, and its narrow profile facilitates easy placement. It is also an ideal partner for ATC's CD2 CD player.
Features:
- 2 analog inputs
- Three digital inputs: USB , coaxial, and TOSLINK.
- Advanced AKM 32 -bit decoding chip
- USB digital input supports up to 384kHz PCM and native DSD256*
- Two 100W MOSFET output stages
- Headphone amplifier with independent transistor output stage
- British handmade
* Only supports DSD256 on PC ( Mac supports up to DSD128 ).
Product Specifications:
Amplifier section
|
Maximum continuous output power |
100W (0.1% THD, 8 Ω , two-channel drive ) |
|
Frequency response |
<2 Hz ~ 250 kHz (-3dB) |
|
distortion |
<0.0015% / 96dB (1kHz, 8 Ω , 1dB lower than full power output) |
|
Signal-to-noise ratio |
>112dB (IEC 'A') |
|
Crosstalk |
>90dB (10Hz ~ 20kHz) |
|
Input sensitivity |
500mV (ref. 100W out) |
|
Analog preamp output |
RCA × 1 |
|
Headphone output |
6.3mm × 1 |
|
Analog Input |
RCA × 2 |
Decoding section
|
Numeric input |
Fiber optic cable × 1 , coaxial cable × 1 , USB audio cable × 1 |
|
distortion |
<0.001% ( at any sampling frequency ) |
|
Fiber Optic Support Formats |
Up to 24/96 PCM |
|
Coaxial Support Formats |
Up to 24/192 PCM |
|
USB supported formats |
Maximum 32/384 PCM. Maximum DSD256 ( via Windows/Linux) Up to DSD128 ( via Mac) |
|
Dimensions (H × W × D) |
113 × 315 × 342mm with fuselage connector |
|
weight |
9kg |
Overview
- 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
*DSD256 support via PC only (up to DSD128 via Mac)



