JVC KS-DR2104DBT Bluetooth 4-Channel Compact Digital Amplifier 50W RMS x 4 @ 4 ohms with 2 Pairs CS-MS620 6.5 Marine Speakers w/ Black Grills for Car. Marine. UTV and Motorcycle

JVC CS-MS620 6-1/2 inch 2-Way Marine Speakers featuring Water Resistant Polypropylene Cone / Durable Rubber Surround –
? Power Handling Capacity (Peak Power): 100W
? Power Handling Capacity (RMS): 30W
? Impedance: 4 ohms
? Sound Pressure Level: 87 dB/ W at 1m
? Frequency Response: 60Hz-20kHz
? Cutout Diameter: 5 inch
? Mounting Depth: 2-5/16 inch JVC KS-DR2104DBT 4-Channel Compact Digital Amplifier featuring Bluetooth for Compact Car. Marine. UTV and Motorcycle / Max Power 600W / 50W RMS x 4 @ 4 ohms –
? IP67/IP66 Waterproof & Dustproof
? ASTM B117 Rustproof
? Vibration-proof
? Increased Power Flow
? High Quality Capacitors
? Magnetic Shielding
? Easy-to-Use Waterproof Bluetooth Remote Control
? Qualcomm Bluetooth 5.0
? Versatile Installation

Specifications ? Audio unit
? Max Power Output: 600W
? Rated Power Output:
? Stereo (4??) 50W x 4 (20Hz?C20kHz. ??1.0% THD)
? Stereo (2??) 75W x 4 (1kHz. ??1.0% THD)
? Bridged (4??) 150W x 2 (1kHz. ??1.0% THD)
? Speaker Impedance: 4?? (2?? to 8?? allowable)
? (Bridged connection: 4?? to 8?? allowable)
? Frequency response (+0. ?C3dB): 10Hz?C20kHz
? Signal to noise ratio: 89dB
? Low pass filter frequency (?C12dB/oct.): 50Hz?C200Hz (variable)
? High pass filter frequency (?C12dB/oct.): 50Hz?C200Hz (variable)
? Preout: 5V (Max)

JVC KS-DR2104DBT Bluetooth 4-Channel Compact Digital Amplifier 50W RMS x 4 @ 4 ohms with 2 Pairs CS-MS620 6.5" Marine Speakers w/ Black Grills for Car. Marine. UTV and Motorcycle