This model has been upgraded from the prior - 4 and -4A versions to be more power efficient. It has an improved sleep mode along with numerous other internal enhancements.
1000 Watts @ 4 ohms
1900 Watts @ 2 ohms
Can power 1, 2, 3, or 4 ButtKicker LFE transducers
Class D switching technology
Variable high cutoff, 40 - 160 Hz
Low cutoff, 25 Hz switchable
RCA and 1/4" inputs with 160m Volt and 1.25 Volt sensitivities
120v versions only. NOT SWITCHABLE
BKA1000-N Dimensions: 12" wide, 12" deep by 4.625" off the ground.