TD-218B is an ultra-low frequency speaker for large movie theaters. It uses two ultra-high power 18" subwoobass units to extend the low frequency response to 22Hz,b and can withstand up to 1600W power, which is undoubtedly the best choice for the pursuit of shock.

Characteristics:
FA series is the professional two-channel Analog amplifier used Class Hamplification circuit with RMS equal, which offer more efficiency, more powerand less heat. It is offer various power ratings in 2 models from 2x2000watt/ch.@ 4 ohm to 2x2200 watts/ch @ 4 ohm.

Features
1.Professional aluminum metal cabinet shows its stability,reliability, and fascination.
2.Advanced output H-class circuit ensuring perfect sound quality condition, and the power and eficiency are higher than the conventional AB-class circuit.
3.Effective heat dissipation system, comprising a high surface area of the heat sink, a pair of dual cooling fan to ensure a rapid and reliablecooling.Good quality and rugged construction for most of the expansion of applications are ideal power amplifer. Al amplifer are similar inoperation. the manual applies to all modes. The manual contains very important informaton, so in the connection or operation of your amplifercarefully read the manual.
4.The unit has consummate working staus indications including, you can be clear at aglance of the working status through the LED indicator in the
front panel of the amplifier, the letthe operation more easily.
5. Perfect Protection Circuit Design:
A. Soft start.
B. Over temperature protection.
C.Over lad protection.
D. Short Circuit Limited Protection.
E. AC Line fuse
F. Limiter Protection.
G. DC protection.
H. Thermal cut.