RS 152 XA Like the RS 122 MA, but with a 15 woofer for bigger, bol- der bass. 15" speaker / 90x 45 horn 65 - 18 kHz 103 dB 1W/1m* 46 x 63 x 41 cm E-mail: powerworks@musicandsales.com. International Inquiries: Fax +49 - 68 51 - 905 200 • international@musicandsales.com. Power amp module. (RS 122 MA, RSparts for electronic RS 122 MA (7) · front grille RS122/RS122 M+A · pre-cut acoustic foam sheet for RS122/RS122 M+A · XLR-Connector 3pol fewith Wprn plastic. View and Download Hughes Kettner rs122ma instruction manual online. Power Works RS 122 MA Frontgitter RS 122 M mit Schaumstoff. All info about HK Audio Power Works RS 122 MA Active Speaker at Huss Light & Sound: Reviews, Tests, Pictures, Videos, Manuals. Powered PA Speaker Cabinet Power Works RS 122 MA: 70 images and 3 user review(s)