The PLS40 also supports a superior frequency of 60Hz-20kHz (versus 66/90Hz-20kHz). The PLS40, however, maintains the PLG4.2’s 1” hi-temp voice coil and Neodymium tweeter, but adds along a film cone midrange as well. In addition, the PLS40 features a concealment magnet and custom grills, not to mention an ultra slim design that requires a mounting depth of only 1.45” (versus 2”). The Pyle Audio PLS40 is priced at $38.50, exactly $4.50 over the $34.00 PLG4.2 and approximately $10 over the $27.99 PLRL42.