Monitor Audio IA125-4 CI Power Amplifier
Seen it cheaper? Talk to us.Trade in your old amplifier typically $400–$900 toward this
Pickup available at Alexandria Showroom · Usually ready in 2-4 days
4 interest-free payments of $624.75, paid fortnightly.
Pay over time with Zip. Zip Pay is interest-free with a monthly account fee; Zip Money offers an interest-free promotional period, after which standard interest and fees apply.
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Shipping & delivery
Free insured shipping Australia-wide on orders over $79. Every parcel is tracked and covered in transit.
Most orders dispatch within 1–2 business days, shipping either from our Alexandria warehouse or directly from the supplier, depending on the product. Delivery is usually 2–7 business days.
Large or heavy items (floorstanders, subwoofers, racks) ship by dedicated freight. You'll receive a tracking number so you can follow your order and see its expected delivery date.
Local pickup can be arranged from our Alexandria showroom. Please get in touch first so we can have your order ready. Remote-area delivery may take a little longer.
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
Free insured shipping Australia-wide on orders over $79. 30-day change-of-mind returns in original condition. Full manufacturer's Australian warranty.
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◆ Questions?
Talk to Scott before you buy
Not sure if it’s right for your room? I’ll give you honest, no-pressure advice by phone, video, or in our showroom. We’re specialists, not box-shifters.
Scott · Founder, CHT Solutions
Authorised Australian dealer: genuine Australian stock & full warranty, never grey import.