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Monitor Audio IA40-3 Highly Versatile Installation Amplifier - IA403U


$799 / Each

Scheduled Delivery

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.

Number of Output Channels 3
Power (W / Channel) | 4 ohms | 1 kHz60 W @ 1% THD+N for 2 Channel, 40 W @ 1% THD+N for 3 Channel
Power (W / Channel) | 8 ohms | 1 kHz50 W @ 1% THD+N for 2 Channel, 30 W @ 1% THD+N for 3 Channel
Input Impedance10k Unbalanced
Output Impedance (Sub/Line Out)1.47k
Input Sensitivity~300 mV - Full Power
Maximum Input Voltage2.3 V
Signal to Noise (SN:R)> 84 dB Unweighted
Frequency Response (+-0.5dB) @ 1W10 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 (11/4x 71/16x 43/8")
Dimensions (Including Mounting Brackets (H x W x D))32.6 x 196 x 182.5 mm (15/16x711/16x 73/16")
Mains Operating Voltage100-240 VAC, 50/60Hz
Fuse Rating3 A
Standby Power Consumption< 0.5 W
Weight (Including Amp, RS232 Terminal Block, Speaker Terminal Block and Antenna)0.484 kg
Bluetooth Range with Antenna (line of sight)> 20m
Bluetooth Version4.1
Bluetooth ProfilesA2DP, AVRCP
Audio CodecSBC, Apt-X
EQThe EQ dip switches apply a 3 dB boost at 120 Hz, 1500 Hz, and 8 kHz.
Sold AsSingle Unit

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