DX-S57 : 5"×7" 2-way Loudspeaker (1 Pair) 6.5" Subwoofer 86 Electrical Quality Factor (Qes):

86 Electrical Quality Factor (Qes): 0

4 x 150 Watts + 1 x 350 Watts @ 2 Ω

Introducing the DB Drive WDX M4: the ultimate 4 Channel IPX6 Rated Marine Amplifier that will take your sound experience to a whole new level

150W x 4 at 2 ohms

High efficiency Class Full Range Class D Technology

DX-S57 : 5"×7" 2-way Loudspeaker (1 Pair) 6.5" Subwoofer 86 Electrical Quality Factor (Qes):Features 1" Aluminum dome tweeter with optimized off axis frequency response Injection molded PP composite Cone with rubber surround 1" oversized Midrange voice coil with enhanced thermal capacity Optimized frequency bandwidth design Forged motor plates with linear gauss geometry Ferrite oxide magnet with optimized motor force Stamp cast steel basket Onboard 12db crossover Specifications Max power : 240 Watts Nominal Power Handling : 80 Watts