tagged bluetooth

Monitor Audio

Monitor Audio IA40-3 3-Channel Bluetooth Amplifier

  • Regular price £479.00
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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.

Please note: An IR remote control (not supplied) is required for setup of the IA40-3 amplifier and Bluetooth device pairing. This can be an existing TV remote control, or any universal IR remote with volume +/-/mute buttons.


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 (1 1/4 x 7 1/16 x 4 3/8")
Dimensions (Including Mounting Brackets (H x W x D)) 32.6 x 196 x 182.5 mm (1 5/16 x 7 11/16 x 7 3/16")
Mains Operating Voltage 100-240 VAC, 50/60Hz
Fuse Rating 3 A
Standby Power Consumption < 0.5 W
Weight (Inc. 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


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