roWaves Technologies

Certified Company ISO 9001-2008

Active Universal Speaker Unit – AUSU-01

AUSU-01(M) is an active speaker unit that can accomodate almost any radio receiver or transceiver’s AAF output. It works for QRP portable radios, such as (tr)uSDX, FT-817 etc. as external amplified speaker also. Available as AUSU-01, (enclosed, ready to use unit), AUSU-01M (complete module, not wired / no enclosure) and PUSU-01 (passive, enclosed with connected speaker via 3.5mm jack). The enclosure itself can stand in almost any position on the bench or it can be fixed with bolts on the top of the shelf  or under the shelf etc. Its ergonomic design makes it suitable for almost any application in the lab during development of AF stages etc. Feel free to use it as you wish, you will be satisfied with its robustness.

➡️ Technical specifications:
– selectable gain: 20/50/200
– ON/OFF switch with volume control
– 3mm status LED (on/off)
– 3.5mm on board stereo jack for AF input
– 12…15Vdc / 300mAdc operation (battery or lab power supply)
– 2.5mm DC connector, on board
– 4Ω / 5W internal speaker
– output audio power: approx. 350mW
– dimmensions: AUSU-01 (95x120x70mm) | AUSU-01M (65x25x15mm)
– weight: AUSU-01: 219g | PUSU-01: 196g | AUSU-01M: 80g

➡️ Options to buy:
AUSU-01 (Active Universal Speaker Unit), ready-to-use, finished product with all controls and features
AUSU-01M (Active Universal Speaker Unit), only the assembled and tested module, not enclosed (all controls, switches and potetntiometers included)
PUSU-01 (Pasive Universal Speaker Unit), passive (no amplification stage inside, wired speaker with 3.5mm stereo jack on the enclosure)


Price :

 13,69 35,50 (excl. VAT)

(*Ships in 1-2 business days. VAT amount and the exact shipping cost will be calculated during checkout.)

Demo video on our channel:


KIT Assembly Manual (available soon…):

Additional information

Weight 200 g
Dimensions 20 × 10 × 10 cm


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