Package Includes:

• (4) Rockville RM68PRO 6.5" Car Speakers Totaling 800 Watts

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Video of RM68PRO:

Features:

• Rockville RM68PRO 6.5” Open Basket Midrange Speaker
• Power Rating: Peak: 200 Watts/RMS: 100 Watts
• CEA Compliant Power Ratings
  
• Kevlar Reinforced Black Pulp Cone
• Treated Cloth Accordion Suspension
• Linear Progressive Conex Spider
• Kevlar Reinforced Pulp Paper Dustcap
• High Tensile Expanded Steel Basket
• Oversize 1.5” High Temperature CCAR Voice Coil
• 90oz. Magnet Structure Weight 
• Impedance: 8-Ohm
• Mounting Depth:  3.07”
• Frequency Response:  85Hz - 7 KHz
• Sensitivity:  103dB @ 1w / 1m
• Cutout diameter: 5.79"
• Mounting diameter: 6.16"
• Mounting hole diameter: 4 holes- 0.217" x 0.276"

TS  Parameters:

• Fs: 128.91 Hz
• Qms: 5.34
• Cms: 0.1403 mm/N
• Bl: 7.32 N/A
• Zmin: 5.84 Ω
• Re: 5.40 Ω
• Qes: 0.89
• Mms: 10.8635 g
• dBspl: 91.88
• L1kHz: 0.28 mH
• Sd: 143.1388 cm²
• Qts: 0.76
• Rms: 1.65 Ωm
• VAS: 4.0146 L
• L10kHz: 0.18 mH

Owner's Manual​​