This is an Audio Grade power block made by Opera Audio (Consonance).

A true feed-through design at the 5 output sockets.

The unit is beautifully made with an all metal construction on a very solid chassis just like their amplifiers. The silver end panels are made from thick aluminium and the case itself is black brushed aluminium. Everything is screened from the outside world since it is housed in a fully enclosed metal case rather than a plastic box. This prevents RFI noise radiating from the filter itself to nearby equipment. 

Despite the fact that it is not containing filtering or conditioning circuitry, like the PW-1E, a surprising sound quality improvement can result from using this board.
TV reception is also improved if used with video sources.

• Maximum Output : 1800Watts @ 230Volts
• Overcurrent Protection : 10A auto reset fuse
• Dimensions : 32,8cm x 8,9cm
• Weight : 1,85 Kgr