Monitor Audio IA125-4 4-Channel Installation Amplifier
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
Here at Ceiling Speakers we want to make sure that you receive your order as quickly as possible. Whether you need products last minute for a project, or you're simply itching to start enjoying your purchase! As a result we hold excellent stock, and the majority of our catalogue is available for free* next working day delivery (when ordered by 12pm Mon-Fri excluding public holidays).
Our website is linked to our warehouse systems and live stock availability is displayed on every product. In stock items ordered by 12pm Monday to Friday will be dispatched on the same day, and 95% of orders will be delivered on the next working day (Northern Ireland, Highlands, Islands, & other remote locations may take a little longer). Saturday deliveries can be arranged on request (POA).
Some products may be out of stock but available to order. For these items the typical delivery time is displayed on the product page. The majority of these products are delivered within the displayed timeframe. However, if you place an order and this is not the case we will contact you immediately to inform you of the timescale. If you require the product(s) at short notice then please contact us for confirmation prior to ordering.
*The following delivery charges apply. The majority of UK Mainland orders are delivered on the next working day (when ordered by 12pm Mon-Fri excluding public holidays). DPD tracking information will be provided along with a 1-hour delivery timeslot.
UK Mainland
Orders of £69.00 and over (inc. VAT) are carriage free
For orders under £69.00 carriage is charged at £10.00 (inc. VAT)
Northern Ireland
Orders of £199.00 and over (inc. VAT) are carriage free
For orders under £199.00 carriage is charged at £20.00 (inc. VAT)
Isle of Man
Orders of £299.00 and over (inc. VAT) are carriage free
For orders under £299.00 carriage is charged at £30.00 (inc. VAT)
Channel Islands
All orders are subject to a carriage charge of £50
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