Russound A2100 Overview
Get straightforward stereo power for a pair of speakers with the Russound A2100 2-Channel Half-Rack Digital Amplifier. The A2100 features an installer-friendly and space-saving design that fits easily in any equipment rack. Stereo RCA audio in and out, along with 12V trigger in and out, provide seamless integration with many existing audio systems and components.
- Always On: Ready whenever you need it in your system
- Auto On (Signal Sensing): Detects the presence of an audio signal and turns on when needed
- Trigger: Detects the presence of a 12 VDC signal to turn on the amplifier when the signal is present and turn it off when the signal goes away
Items Included
- Russound A2100 2-Channel Half-Rack Digital Amplifier
- Power Cord
- Rack Mount Kit
- Limited 2-Year Manufacturer Warranty
Additional Resources
User Manual
1.9 MB
Russound A2100 Specs
| Channels |
2.0 |
| Power Output per Channel |
100 W at 8 Ohms 125 W at 4 Ohms 225 W at 8 Ohms (Bridged) |
| Rear A/V Outputs |
1x Stereo RCA Line-Out |
| Speaker I/O |
1x Screw Terminal Pair |
| Wi-Fi |
No |
| Bluetooth |
No |
| Amplifier Type |
Power Amplifier |
| Channels |
2.0 |
| Amplifier Class |
Class-D |
| Power Output per Channel |
100 W at 8 Ohms 125 W at 4 Ohms 225 W at 8 Ohms (Bridged) |
| Frequency Response |
18 Hz to 25 kHz ±1 dB (8 Ohms) |
| THD+N |
< 0.1% (8 Ohms, Full Power) |
| THD |
< 0.5% (4 Ohms, Full Power) |
| Speaker Impedance |
4 to 8 Ohms |
| Tone Control |
No |
| Auro 3D Support |
No |
| Supported Sample Rates |
No |
| Rear A/V Inputs |
1x Stereo RCA Line |
| Rear A/V Outputs |
1x Stereo RCA Line-Out |
| Front I/O |
No |
| Other Rear I/O |
1x 1/8″ / 3.5 mm (12 V Trigger) Input 1x 1/8″ / 3.5 mm (12 V Trigger) Output |
| Speaker I/O |
1x Screw Terminal Pair |
| Media Card Slot |
No |
| A/B Speaker Selection |
No |
| Bi-Amp Capability |
No |
| Input Sensitivity |
500 mV |
| Wi-Fi |
No |
| Bluetooth |
No |
| External Control Support |
No |
| Mobile App Compatible |
No |
| Input Power |
100 to 240 VAC, 50 / 60 Hz |
| Power Consumption |
Standby: 0.5 W |
| Dimensions (W x H x D) |
8.5 x 1.8 x 10.5″ / 21.6 x 4.6 x 26.7 cm |
| Weight |
4.2 lb / 1.9 kg |
| Package Weight |
6.5 lb |
| Box Dimensions (LxWxH) |
15.5 x 11.5 x 4.9″ |
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