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
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 90387482065

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4.5 ★★★★★
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Product Reviews
J
J S
New York, US
★★★★★ 4
Unique armadillo design
Style: Armadillo
I love the look of this armadillo toy. The flexible rubber shell gives it a spiky texture. It has reinforced nylon seams and printed eyes. The feet allow the toy to stand on its own, daring dogs to come knock it over. With a body length of 12" and standing 5" tall, the toy is of good size for even larger dogs, but it intimidated my 8lb yorkie mix. She found the hard shell and spikes off-putting and not fun. The toy is supposed to squeak, but either mine was broken or buried too deep to be useful. This was disappointing because I think a squeak would have helped my pup engage with the toy because she can't resist a noisy toy. I'd recommend this armadillo for larger dogs than my tiny pup. It seems durable with that rubber shell around the body.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
J
Verified Purchase
JW
New York, US
★★★★★ 5
A hound's dream toy.
Size: Small, Style: Mallard Duck
I bought this for our "grandson"--a happy go lucky beagle--to play with while we were dogsitting. It took a while to motivate him to play with it, but eventually he caved... and then promptly proceeded to tear its insides out! I took a photo and sent it to my son, and he remarked, "Wow, it has been a long time since he played with a toy like that." So even an old hound past his prime enjoyed this toy. As for quality, this is a very well made toy. Yes, it's true that the dog ripped it to shreds, but that'll happen to any toy if the dog is determined enough. I was happy he enjoyed it. He also has two loofa dog toys here that he hardly ever touches, but this duck toy was too much for him to resist. My only suggestion is to supervise your dog while he plays with this. Besides the inner stuffing, the toy has a fuzzy surface to it, and you don't want him chewing a bunch of fuzz if he tears some out, as dogs are apt to do. Other than that, GREAT DOG TOY!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 12, 2024
G
Verified Purchase
Glen T. Adams
New York, US
★★★★★ 5
It's safe and durable.
Size: Small, Style: Chipmunk
Great toy for my Schnauzer dog. It's his favorite toy.
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Reviewed in the United States on May 17, 2026
L
Verified Purchase
Lee
Boise, US
★★★★★ 5
My Border Collie's absolute favorite toy!
Size: Small, Style: Chipmunk
Stuffed animal (with squeaker) securely attached to rope hoop. Lasts a long time as a kind of frisbee. However, really an outdoor toy for active play, because when my dog has a chance to lie down comfortably this toy will get torn apart and shredded fast!!! (This is his third!) Can be repaired for awhile to prolong use with strong cotton carpet thread, but it is not immortal, so be advised.
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Reviewed in the United States on August 17, 2025
A
Verified Purchase
Abigail
Grantham, US
★★★★★ 5
Fantastic Toy, Completely Worth It!
Size: Small, Style: Mallard Duck, Size: Small, Style: Mallard Duck
Ever so slightly smaller than I expected but that’s really on me for not checking the measurements. It’s not too small anyway, so it’s alright. It’s definitely a very high quality material, my dog plays super rough with it and still has yet to make more than a very tiny hole (which was easy to stitch). It’s well-stuffed, super cute, and not too realistic but realistic enough to give that duck vibe. It’s built very sturdy, so I expect it will last a long time still. It survived its first two washes just fine as well as the dryer, and the quality of the fuzz hasn’t really gone down. Definitely worth the buy! Will absolutely buy a second one when he finally does destroy this one, since he’s obsessed with it. It’s his favorite toy (and honestly, mine too, it keeps him so entertained and it holds up wonderfully).
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Reviewed in the United States on December 7, 2025

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