Infinity Reference 687F Speakers Subwoofer Boxes while the machined metal thread

while the machined metal thread inserts add maximum strength and reliability

MMS (G): 11

Fixed Parts Warranty 1 Year Labor Warranty 1 Year Specifications Sensitivity (1W at 1 meter) 88 Sensitivity at 2

Rearview Camera: Alpine's all new HDR backup camera (HCE-C1100) makes maneuvering your vehicle in reverse easier and safer

Infinity Reference 687F Speakers Subwoofer Boxes while the machined metal threadThe new Infinity Reference speakers deliver accurate sound thanks to edge driven textile tweeters for smooth highs, and patented Plus One woofers that deliver surprising bass output. Specifications Specification Details Power Handling 60W RMS, 180W peak Sensitivity (@2. 83V) 93 dB Frequency Response 49Hz 21kHz Impedance 3. 0 ohms Manuals Owners Manual (Multilingual) Spec Sheet (English)