Rockville RM64PRO 6.5" Black Speaker Kit sku-246930554

The Rockville RM64PRO package is listed as Black, 6.5" Restored Automotive equipment, SKU sku-246930554, UPC 613815878353. It contains 2 RM64PRO 6.5" 4-ohm mid-bass/midrange car speakers and 1 pair of RT6 1" silk-dome swivel tweeters. The package listing gives the speakers as 105dB and 200w, and the tweeters as 240 watts peak and 60w RMS CEA. Each RM64PRO open-basket speaker is CEA compliant, rated at 200 watts peak and 100 watts RMS. Impedance is 4 ohms, sensitivity is 103dB at 1w / 1m, and frequency response is 85Hz to 7 KHz. Mounting depth is 3.07; cutout diameter is 5.79", and mounting diameter is 6.16". Its 4 mounting holes measure 0.217" x 0.276". It has an oversize 1.5 high-temperature CCAR voice coil and a 90oz. magnet structure. The black pulp cone and pulp-paper dustcap are Kevlar reinforced, with a treated cloth accordion suspension and linear progressive Conex spider. RM64PRO parameters: REVC 3.120 Ohm; FO 128.715 Hz; SD 13.893m M; MD 14.300; BL 6.620 T; QMS 3.299; QES 0.586; QTS 0.498; NO 1.448%; SPL 103 dB; VAS 4.116m M; CMS 150.160u M/N; KRM 3.090m Ohm; ERM 0.715; MMS 10.182 g; MMD 9.240m Kg; KXM 11.734m H; EXM 0.591. The RT6 pair has silk-dome swivel tweeters, neodymium magnets, ferro-fluid-cooled voice coils, high-temperature ABS housings and an included in-line crossover network. Flush, surface and angle-mount hardware is included. The pair is rated at 240 watts peak and 60w RMS (CEA). RT6 parameters: Fs 123.05 Hz; Qms 5.07; Cms 0.1448 mm/N; Bl 6.25 N/A; Zmin 3.63 ?; Re 3.20 ?; Qes 0.73; Mms 11.5533 g; dBspl 92.26; L1kHz 0.23 mH; Sd 143.1388 cm; Qts 0.64; Rms 1.76 ?m; VAS 4.1429 L; L10kHz 0.13 mH. Together, the mid-bass drivers and tweeters provide a mid/high car-audio setup.