Description
The Adastra IWA2100B is an in-wall stereo amplifier built for background music and public address in small to medium spaces. It fits directly into cavity walls and ceilings, so there's no need for a table-top or cabinet unit taking up room. The minimalist housing keeps things tidy, and the Class-D amplifier design runs cleanly and efficiently with very little heat to worry about. An internal digital switch-mode power section lets you connect straight to the local mains supply, and the amplifier is supplied with a C7 (figure-8) to UK power lead.
You get 2 x 100W of output with a minimum impedance of 4 Ohms per output, giving you flexibility to pair the unit with many different speaker types. Wireless streaming comes via Bluetooth 5.0 with a unique serial ID, so you can play audio from a smartphone or other Bluetooth device, and there's a Bluetooth on/off defeat switch if you want to lock that function down. For wired sources you have a 3.5mm stereo Aux input (also called a 3.5mm minijack) and an optical digital audio input, which makes it easy to integrate into an A-V system.
Onboard master volume control lets you set levels at the amplifier itself, while the 3.5mm stereo Aux output allows you to pass audio on to other equipment. The compact 150g unit is well suited to fixed installs where you want the hardware hidden away. Deploy a single IWA2100B for one room, or use several across a site to build a wide area sound system. It runs on a 100-240Vac, 50/60Hz supply, so it works across mains standards without extra kit.
Specification
| Power supply |
100-240Vac, 50/60Hz (fig.8) |
| Line input |
3.5mm stereo aux & optical digital audio |
| Bluetooth version |
5.0 |
| Line output |
3.5mm stereo jack |
| Weight |
0.15KG |
| Minimum impedance |
4 Ohms per output |
Downloads
Product Manual
Frequently Asked
What power output does the IWA2100B deliver?
It delivers 2 x 100W across two outputs, with a minimum impedance of 4 Ohms per output. That gives you the headroom to drive a range of speaker types in small to medium spaces.
How do I connect audio sources?
You can stream wirelessly over Bluetooth 5.0, or connect wired sources using the 3.5mm stereo Aux input (minijack) or the optical digital audio input. There's also a 3.5mm stereo Aux output to pass audio to other gear.
Where is this amplifier designed to be installed?
It's built to fit into cavity walls and ceilings. The minimalist housing means you don't need any table-top or cabinet space, keeping the hardware out of sight for a tidy install.
Can I turn the Bluetooth off?
Yes. There's a Bluetooth on/off defeat switch, so you can disable wireless streaming when you only want to use wired inputs. Each unit also carries a unique Bluetooth serial ID.
What power supply does it need?
It runs on 100-240Vac, 50/60Hz and connects directly to the local mains supply. It comes with a C7 (figure-8) to UK power lead, so you can plug it in straight away.
Can I use several units together?
Yes. A single unit suits one room, and you can deploy several across a site to build a wide area sound installation for both music and public address.