3.0 A1 (A) does not become dirty. Never open the housing of the device. WARNING! Clean the SBR 3.0 A1 (A) with a slightly damp cloth if it becomes dirty. Are you looking for the the instruction manual of the SilverCrest SBR 3.0 A1? View the user manual of this product directly and completely free. Manual for SilverCrest SBL 3.0 A1 Speaker. View and download the pdf, find answers to frequently asked questions and read feedback from users. EN 60825-1:1994+A1+A2, IEC60825-1:1993+A1+A2. Refer to the list of “Device codes” on page A-1. 2. In the list for TVs, Media center: 6.7 lb (3.0 kg).SBR. SL. SL. C. SR. SR. FL. Speaker indications. FL/FR: Front left/right. C: Center (A1 to E8: 8 preset station numbers in each of the 5 preset. View online(99 pages) or download PDF(9.16 MB) Silvercrest SPLK 200 A1 Instruction (3.0 m) (Green) (➔ 17) Speaker cables for surround speakers 26 ft.