The only difference between the two models is that the PLW10RD is red versus blue. The PLW10RD maintains all of the PLW12BL’s specifications such as a 300w nominal power output, 600w peak power output, and 87.7dB sensitivity. In addition, both models feature a 1.5” hi-temp Kapton voice coil, a bumped/vented extended pole piece, and a wide Butyl rubber surround. The PLW10RD also competes with the much more powerful 1000w PLPNW10, 1200w PLSQ10D, and 1400w PLCHW10. The Pyle Audio PLW10RD is priced at $36.00, the same as the PLW12BL, but approximately $50 less expensive than its formidable aforementioned competitors.