Resilient Sounds ES 69C 6" x 9" Speakers (pair) 6x9 One-Channel 5" D4 ohm load voice

5" D4 ohm load voice coil

And with the option to choose between a panel thickness of 3/4" or 1"

A custom aluminum frame was designed specifically for the U Series

With a 3/16" clear acrylic cover

5 Gap Geometry/ 25@ 70% BL Xmech (mm one way)  42 Heat-treated 4-layer 4-inch coil Quad braided tinsel leads Multi-layer foam surround in Sparked Blue Aluminum dust cap Cast aluminum frame High-velocity motor cooling Measurements

Resilient Sounds ES 69C 6" x 9" Speakers (pair) 6x9 One-Channel 5" D4 ohm load voiceFEATURES; 6"X9" SPEAKER SYSTEM CARBON FIBER CONE 4OHM 1. 2" TIL VOICE COIL 19. 91oz MAGNET EVA GASKET RING SPECS: RMS POWER: 75WATTS MAX POWER: 150WATTS FO9(Hz): 50 NOMINAL IMPEDANCE: 4ohms SENSITIVTY @ 1W 1W(dB): 92dB FREQ RANGE: 50Hz~10KHz VOICE COIL: 30mm 1. 2" CONE: CARBON FIBER MOUNTING DEPTH (mm): 87mm 3. 43" MOUNTING DIAMETER (mm): 152X225mm 6"X9"