Monitor Audio IA125-4 4-Channel Installation Amplifier
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This compact, ultra-high power density DSP amplifier delivers four channels of 125 W or two channels of 250 W. All from a convenient 1U half-size design.
The IA125-4 is a deceptively powerful amplifier that packs ultra-high-density amplification into its compact 1U half-rack form. It delivers 4-channels of 125 W or 2-channels of 250 W. Plus, it can be used in power sharing mode to support Monitor Audio’s THX Ultra certified, Cinergy 100 speakers within a home theatre system or medium sized garden. It’s the ideal amplifier for two zone stereo applications and height channels within home theatre systems.
Key Features
- 4 x 125 W/2 x 250 W
- Fully customisable DSP amplifier with web configurator
- Half width 1U rack format allows unique installation opportunities or high power density depending on how the product is mounted
- High performance Class D amplifiers ensure excellent power and sound delivery
- Power Sharing technology
- Supports 70/100V line level speakers
| Channels | 4 |
| Output Power @ 4 Ohms/8 Ohms | 4 x 125W SE* |
| Output Power @ 70/100V | 2 x 250W BTL** |
| Poweshare (up to) | 2 x 250W |
| Power Consumption | 150W |
| Thermal Output | 512 BTU*** |
| Polarity (Default) | Non-inverting |
| Dimensions | 44 x 220 x 325mm (13/4 x 811/16 x 115/8”) |
| Output Voltage | 70Vp / 140Vpp (SE unloaded), 140Vp / 280 Vpp (BTL unloaded) |
| Signal to noise-ratio | >106dB (A-weighted, 20Hz - 20kHz, 8 Ohm load) |
| THD+N (typical) | <0.05% (20Hz - 20kHz, 8Ohm load, 3dB below rated power) |
| Frequency Response | +0/-0.25dB 20Hz - 20kHz (8 Ohm load, 3dB below rated power) |
| Protection Circuits | Short circuit, DC, Undervoltage, Temperature and Overload protection |
| Power Supply | Switch mode power supply with Power Factor Correction (PFC) and standby converter |
| Operating Voltage/Frequency | Universal Mains, 100V-240V, 50Hz-60Hz |
| Standby Consumption | <0.5W |
| Accessories | Rack Mount Kit, Wall/desktop mount kit (sold seperatley) |
| Power Ratings | 1% THD @ 120Vac and 230Vac |
| Cabinet Finish | Black Anodised |
* SE - Single Ended
** BTL - Bridge Tied Load
*** BTU - British Thermal Unit
