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
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  • Delivery to the USA:
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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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4.6 ★★★★★
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Nicole Hoelting
Grantham, US
★★★★★ 5
Finally sleeping through the night without waking up drenched
I was dealing with night sweats almost every night. Waking up overheated, flipping my pillow over constantly, just uncomfortable and restless. It was starting to mess with my sleep in a real way. Since switching to this cooling pillowcase (and pairing it with a cooling blanket), it’s been a completely different experience. I’m actually staying cool through the night and not waking up soaked or irritated. The fabric feels cool to the touch right away and doesn’t trap heat like a regular pillowcase. It’s smooth, comfortable, and still feels good after washing. Not stiff or weird like some “cooling” materials can be. Is it magic? No. But does it noticeably reduce overheating and help you sleep better? Absolutely. If you run hot at night or deal with night sweats, this is one of those small upgrades that makes a big difference. I wish I had bought it sooner.
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Reviewed in the United States on March 19, 2026
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Amazing Sally
Lake Worth, US
★★★★★ 5
so far so good
I was surprised at this pair of pillow cases only because the material seemed impossible to be cooling - it's that weird polyester blend. So far I have not awoken feeling sweaty around my face and scalp. I don't recall what I originally paid but I think it is great value for money! If you are sensitive to out of the box smell, I washed mine first and it didn't impede on the efficacy of the cooling!
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Reviewed in the United States on April 28, 2026
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Verified Purchase
Devin Hill
Grantham, US
★★★★★ 5
It’s like sleeping on a beach in San Vito lo Capo
Italian voice: I’m a big meaty fella so I put off a lot of heat ya hear. These pillow cases have changed my life. One moment they’re hot and the next you flip them and you’re blasted with a blast of ice cool what it feels like to chew 5 gum feeling capeesh. I would reccomend these pillow cases to even my grandma. If ya wanta get a rest so good that it feels like ya been sleeping with the fishes get these pillow cases, they’re the real deal. Then stop at Pauline’s joint and grab a slice of pizza say Vinnie sent ya. Anyways I gotta go my wife’s cooking up a mean lasgna and we’re gonna watch the dodgers. Let me know how these treat ya I guarantee they will change your life. Vinnie out
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Reviewed in the United States on February 15, 2026
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Amazon Customer
Houston, US
★★★★★ 4
Soft "cooling" case.
Yes it is very cool when you lay on it. It doesn't stay cold though. Within a minute or 2 to whatever your temp is.
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Reviewed in the United States on December 25, 2025
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CountryGal
Alexandria, US
★★★★★ 5
Great for hair and skin. Great buy.
These pillow cases are great for my hair and skin. They look good, hold up well in the washer and dryer, and the price is great. They are cooling. Of course I wish they could be more cooling, but honestly I'm not sure that's even possible. Great pillow cases. Already bought more for other heads. Would buy again.
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Reviewed in the United States on March 11, 2026

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