High Power Bass

Having access to 16 of these subs, the Ramsdell Pro Audio RA 660R is one of the most versatile sub on the market today able to be used for live bands to large sound reinforcement applications. With a mind blowing 6400 watts of peak power capacity, these subs are perfect to add that necessary bass demanded by todays listener.


Power Rating 1600 W / 6400 W
Frequency Range (-10 dB) 38 Hz - 250Hz
Frequency Response (±3 dB) 36 Hz - 250 kHz
Sensitivity (@1m) 101 dB SPL (1w/1m)
Nominal Impedance 4 ohms

Recommended Amplifier Power

1600 W to 3200 W into 4 ohms
Maximum SPL 136 dB
Low Frequency Drivers 2 x 18 inch woofers with 4.5 inch voice coils
Crossover Frequency 80 Hz Recommended
(H x W x D)

22.5 x 30 x 45 inches 57.1 x 76.2 x 114.3 cm

Weight 175 lbs / 79.54 kg
Input Connectors Neutrik® Speakon® NL-4 (x2): parallel

If you are interested in renting a pair of these speakers, contact DVJ Luna for more details and rental pricing.