
British Design | Performance Loudspeakers | Experts Since 1972
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.
Note: Rack and wall/desk installation kits sold separately.
18/03/24 - Download firmware V1.6.2 from this link. This has a number of bug fixes and feature improvements. For a full list of these and instructions on what to do, please download our guide from this link.
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4
4 x 125W SE
2 x 250 BTL
2 x 250 W
150 W
512 BTU
Non-inverting
44 x 220 x 325 mm (13/4 x 811/16 x 115/8")
70Vp / 140Vpp (SE unloaded), 140Vp / 280 Vpp (BTL unloaded)
>106dB (A-weighted, 20 Hz – 20 kHz, 8 Ohm load)
<0.05% (20 Hz – 20 kHz, 8 Ohm load, 3db below rated power)
+0/-0.25dB 20Hz - 20kHz (8 Ohm load, 3dB below rated power)
Short circuit -, DC, Undervoltage -, Temperature – and Overload protection
Switch mode power supply with Power Factor Correction (PFC) and standby converter
Universal Mains, 100 V – 240 V, 50 Hz – 60 Hz
<0.5 W
Rack Mount Kit, Wall/desktop mount kit (sold seperatley)
1% THD @ 120Vac and 230Vac
Black Anodised
5 years
IA125-4