The T512A from DJ-Tech is an active 2-way professional loudspeaker, featuring a 12-inch high-power woofer, 1.35-inch compression tweeter, 500W of amplifier power, and a built-in 2-channel mixer with EQ and digital delay. 
 The mixer allows for connecting two sources, with 2-band EQ and volume control available on each channel. The line-level output combines channels 1 and 2, which can then be daisy-chained to other amplified speaker(s).
 Features
 - Two way active professional loudspeaker with 12" high power woofer
 - 1.35" high frequency compression driver
 - 500W built-in amplifier
 - Integrated 2 channel mixer
 - 2-band EQ for each channel
 - Digital delay with repeat and time control
 - Independent gain and volume control
 - Lightweight ABS cabinet
 - Easy grip plastic handle
 
Specifications
 - Active or Passive: Active
 - Amplifiers: Single 500W
 - Low Frequency Driver: 12"
 - High Frequency Driver: 1.35" (34mm) compression driver
 - Connectors
 - Input: 2 x 1/4"-XLR combo
 - Output: 1 x XLR
 - Enclosure Material: Lightweight ABS
 - Dimensions (WxDxH): 14.2 x 12 x 22.4" (361 x 303 x 570mm)
 - Weight: 30.9 lb (14kg)