The PLRL52 also offers an improved peak power output (80w versus 70w), a higher nominal power output (160w versus 140w), and a superior frequency (55Hz-20kHz versus 66Hz-20kHz). Similar to the PLRL42, the PLRL52 also features a 1” hi-temp Ferro fluid enhanced voice coil, a 1” Mylar dome tweeter, and a rubber magnet boot cover. The PLRL52 is priced at $33.00, about $5 over the PLRL42.