Check the listing for details. Alpine PXE-C60-60 Optim6 Processor, S2-A36F Amp, (2) S2-S40 4" Coaxial Bundle. Condition: New. Listed at 997.80 USD. This delightful bundle offers top-class audio components; containing 2x Alpine S2-S40 4" Coaxial Speaker Set; an Alpine PXE-C60-60 Optim6 6-Channel Hi-Res Sound Processor, and an Alpine S2-A36F 4-Channel Amplifier. The S2-S40 Speakers employ “trickle-down” technology borrowed from the AlpineF#1Status system to assure Hi-Res Audio quality for an accurate and natural sound. The robust combination of Poly Propylene, Glass Fiber, and Mica Cone materials ensures lightweight construction, high output and low distortion, delivering precise audio. With the integrated H.A.M.R. surround technology, enjoy maximum cone movement and clear bass notes. Specs: Woofer – 4"; Tweeter – 3/4" (Coaxial); Maximum Peak Power – 140W; Maximum RMS Power – 45W; Frequency Response: 97Hz - 40kHz (Hi-Res).