Well I just bought a Soundstrean Reference 405 and a Soundstream Rubicon 550-5. I always wanted a Soundstream amp. I have looked at the specs for the Soundstream site already. It seems that the Rubicon 550-5 is spec'd out with just a little higher wattage. 4 x40@ 4 ohms. Sub 1 x 250 @ 2ohms. 405 is 4 x25 @ 4ohms. Sub 1 x 200 @ 2ohms.. Soundstream Reference 405s 400 Watt Amplifier. Used - Very Good. Price $399.99. Calculate shipping. This listing has ended. View similar gear from other sellers on Reverb. View similar gear.. Yorkville SR300 reference series power amplifier In Good Condition. Used - Very Good. $299. $299.
Manuals and User Guides for Soundstream Reference Series 405S. We have 1 Soundstream Reference Series 405S manual available for free PDF download: Installation Manual . Soundstream Reference Series 405S Installation Manual (10 pages) 5/3 Channel. Brand: Soundstream.. Find many great new & used options and get the best deals for soundstream reference 405 at the best online prices at eBay! Free shipping for many products!