This knob is made for Sundown Audio amplifiers only. Do not buy this knob for non-Sundown amps. This... SFB-R - Sundown Audio Remote Bass Control For SFB Version Series Amplifiers This knob is made for Sundown Audio amplifiers only Please do not buy this knob for non-Sundown amps This remote IS compatible with the following amplifiers: SFB-1000D SFB-1500D SFB-2000D SFB-3000D SFB-5000D SFB-8000D SFB-13500D Sundown Audio SFB-1000.4D aplificador clase D de 4 canales – Yaxa Store Bass Amplifier WTB: Sundown Audio 4K (((()))) | Car Bass Knob Garage Sale - Aluminum Open Carburetor Spacer, 4 Inch
