Adastra: 100.930UK, AB-5 Bookshelf Speakers, Passive, 4 Ohm, Pair, 50W RMS
About this product
The AB-5 Bookshelf Speakers are a pair of passive low impedance speaker cabinets finished in black woodgrain vinyl. They are designed to deliver maximum power conversion with most stereo amplifiers operating down to 4 Ohms. Each cabinet features a 5.25" main driver and a 1" silk dome tweeter, ensuring balanced and full-range audio output.
- 4 Ohms impedance per speaker
- 50 Wrms / 80 W peak per speaker
- Includes 2 x M6 threaded mounting inserts
- Keyhole flushmount wall brackets provided
These speakers are an ideal match for Adastra and other low impedance amplifiers, perfect for background music, radio, and voice announcements.
Specifications
Specifications
Weight | 2.26 kg (each cabinet) |
---|---|
HF Driver | 25 mm (1") silk dome tweeter |
Impedance | 4 Ohms (each cabinet) |
Connections | Push terminals +/- |
Main Driver | 135 mm (5.25") reinforced paper cone |
Sensitivity | 95 dB |
Frequency Response | 70 Hz - 20 kHz |
Power Handling (RMS) | 50 W (each cabinet) |
Power Handling (Peak) | 80 W (each cabinet) |
AB-5 Bookshelf Speakers (4 Ohm, 50W) features

Adastra: 100.930UK, AB-5 Bookshelf Speakers, Passive, 4 Ohm, Pair, 50W RMS