Black Diamond DIA-CM8.4B The Black Diamond series was designed to be the go to speaker for your high powered pro audio options. The DIA-CM8.4B is a great all around pro audio midrange speaker with a huge frequency range. Playing as low as 80hz and screaming all the way up to 10khz this speaker will be sure to hit all the spine tingling notes you want to emphasize. The 21.6 oz magnet houses a 70w rms and 140w max 1.2 inch high strength voice coil for great heat dissipation and long lasting life. Integrated into the speaker itself is a high volume bullet resonator that gives this brute it's insane range. It amplifies higher frequencies to give this speaker a larger range. Model: DIA-CM8.4B Type: Midrange Loudspeaker Size: 8 " RMS Power: 70W MAX Power: 140W Frequency Response: 80Hz - 10KHz Impedance: 4 Ohm Sensitivity: 94.6dB Materials Surround: Cloth Surround Frame: Black Stamp Steel Basket Cone: Black Paper Woofer Cone Magnet: Ceramic Voice Coil Wire: KSV Diameters Voice Coil Size: 1.5" Magnet Size: 21.64 oz Mounting Depth: 3.31" (84mm) Cut-Out Dimensions: 7.06" (179mm) See more

MEASUREMENTS - Overall Diameter : 8.27 | Overall Depth: 3.54 | Mounting Depth: 3.31| Front Mount Baffle Cutout: 7.05 | Motor Diameter: 3.94. Integrated bullet resonator for higher ranges without losing and midrange frequencies. Exclusive Black Diamond design. 21oz magnet with 1.2" inch high strength voice coil for high power applications. Power you can count on: DIA-CM8.4B delivers an impressive 140W peak power with 70W RMS at 4 ohms, enough to handle a full range of audio. Mid that handles it all: A midrange driver that can answer the call to handle the most important part of the audible sound spectrum. A speaker that sounds great with just instruments, and even better with vocals.