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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 |
Download the Monitor Audio IA40-3 Manual