SKU: 90387482065

Monitor Audio Discreet 3 Channel Installation Amplifier - IA40-3

Sale price$359.55 Regular price$399.50
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Description

Monitor Audio Discreet 3 Channel Installation Amplifier - IA40-3Key Information Number Of Channels: 3 Power (W Channel) @ 4 ohms: 60 W @ 1% THD+N for 2 Channel 40 W @ 1% THD+N for 3 Channel Power (W Channel) @ 8 ohms: 50 W @ 1% THD+N for 2 Channel 30 W @ 1% THD+N for 3 Channel The discreet IA40 3 is a highly versatile amplifier featuring digital, analogue and Bluetooth inputs. Designed for easy installation, the bespoke fixings allow it to be positioned in multiple locations: on a wall, cabinet, stand or behind a

Key Information

  • Number Of Channels: 3
  • Power (W / Channel) @ 4 ohms: 60 W @ 1% THD+N for 2 Channel | 40 W @ 1% THD+N for 3 Channel
  • Power (W / Channel) @ 8 ohms: 50 W @ 1% THD+N for 2 Channel | 30 W @ 1% THD+N for 3 Channel

 

The discreet IA40-3 is a highly versatile amplifier featuring digital, analogue and Bluetooth® inputs. Designed for easy installation, the bespoke fixings allow it to be positioned in multiple locations: on a wall, cabinet, stand or behind a television.

Ideal for smaller environments, the IA40-3 Installation Amplifier will perfectly power in-ceiling speakers in a kitchen, loft room or bedroom. It also works beautifully when paired with Monitor Audio smaller bookshelf speakers in a bedroom, study or sitting room.

Best of all, if there is a television in the setup, the IA40-3 can be mounted behind the screen – using the supplied bespoke bracket – to drive a Monitor Audio Passive Soundbar. (The customisable brackets can be bent to fit and have flexible break-off sections for maximum installation versatility.)

With 40 W of power over three channels at 4 ohms, or 60 W over two channels, the IA40-3 will drive speakers or passive soundbars to deliver a lively and precise sound.

If extra bass is required, an active subwoofer can be connected to the IA40-3 via the sub/line out. Whatever the audio source, this is an amplifier with all the right connections. The IA40-3 features optical and analogue inputs and the latest Bluetooth® wireless technology, powered by Qualcomm® aptXTM Audio, to allow easy and superior pairing with mobile devices. The IA40-3 has been designed to be discreetly tucked away and its unique heatsink fin allows cooling in the tightest of spaces.

Designed for modern living, the IA40-3 is Monitor Audio’s versatile solution when superior sound is required in custom install projects.

 

Specifications

Number of Output Channels: 3

Power (W / Channel) | 4 ohms | 1 kHz: 60 W @ 1% THD+N for 2 Channel | 40 W @ 1% THD+N for 3 Channel

Power (W / Channel) | 8 ohms | 1 kHz: 50 W @ 1% THD+N for 2 Channel | 30 W @ 1% THD+N for 3 Channel

Input Impedance: 10k Unbalanced

Output Impedance (Sub/Line Out): 1.47k

Input Sensitivity: ~300 mV - Full Power

Maximum Input Voltage: 2.3 V

Signal to Noise (SN:R): > 84 dB Unweighted

Frequency Response (+-0.5dB) @ 1W: 10 Hz – 20 kHz

Total Harmonic Distortion THD + N@1 KHz : < 0.05%

Dimensions (Excluding Mounting Brackets and Antenna (H x W x D)): 31.4 x  180 x 110.5 mm

Dimensions (Including Mounting Brackets (H x W x D)): 32.6 x 196 x 182.5 mm 

Mains Operating Voltage: 100-240 VAC, 50/60Hz

Fuse Rating: 3 A

Standby Power Consumption: < 0.5 W

Weight (Including Amp, RS232 Terminal Block, Speaker Terminal Block and Antenna): 0.484 kg

Bluetooth: Yes

Bluetooth Range with Antenna (line of sight): > 20m

Bluetooth Version: 4.1

Bluetooth Profiles: A2DP, AVRCP

Audio Codec: SBC, Apt-X

EQ: The EQ dip switches apply a 3 dB boost at 120 Hz, 1500 Hz, and 8 kHz.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 90387482065

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★★★★★ 5
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Color: Ink Black, Number of Items: 1, Color: Ink Black, Number of Items: 1
Sturdy. Everything came in one piece and the instructions were some of the clearest I've encountered for Amazon furniture. Took about an hour for me to muscle my way through with manual screwdrivers only. I do not recommend a drill unless you go slow, because screw placement will make or break this for you in my opinion. Problems I encountered and how I overcame them: Drawer was rickety, kept catching when trying to pull out. I had to go back and tighten the tiny black screws on the rails. If they are not as flush as you can possibly get them, they will cause the wheels to catch. Once I got them as tight as possible, the drawer pull out was much smoother. Getting the first set of rails on. Space was EXTREMELY tight and frustrating. I ended up using a small screwdriver from my house, pressing it tightly with one hand, and using a pair of pliers to turn the screwdriver. Like a socket wrench type action. This sucked, I can't lie. And it wasn't possible to put them on earlier due to the cam bolts/screws under the rail. But I got through it. Overall, this is worth the money as long as you are willing to take your time and line things up properly and really use some elbow grease to get the screws in straight and flush.
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pmont
West Palm Beach, US
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Color: Espresso, Number of Items: 1
Table was as described by the seller. Happy with my purchase.
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Reviewed in the United States on May 14, 2026
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Robert Birley
Pawtucket, US
★★★★★ 4
Great tables
Color: Farmhouse White, Number of Items: 2
Very well built and easy to assemble.
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Reviewed in the United States on February 5, 2026
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Gorji
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★★★★★ 5
Well made and easy to put together.
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This was a well made table. I put it together in about 25 minute with a screw driver. It's sturdy and looks very nice
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Reviewed in the United States on May 19, 2026
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Krimp Knight
Whiting, US
★★★★★ 5
Beautiful, Easy, and Ties the Room Together Perfectly
Color: White, Size: 22"d x 39.9"w x 18.1"h, Color: White, Size: 22"d x 39.9"w x 18.1"h
I absolutely love this ChooChoo Farmhouse Coffee Table! The white finish is stunning and really makes the colors in my living room pop without feeling too bright or flat—it has that perfect clean farmhouse look. Assembly was surprisingly easy and straightforward, with clear instructions and all the pieces fitting together smoothly. It feels sturdy and well-made, not flimsy at all. What really completes the look is pairing it with the matching end tables. Together, they make the space feel intentional and polished, like a fully designed set rather than random pieces thrown together. The lower shelf is also a great bonus for storage or décor. If you’re looking for a stylish, easy-to-build coffee table that elevates your living room, this one is a win. Highly recommend!
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