Amazon.com: Pyle 4'' x 6'' Three Way Sound Speaker System - Pro Mid Range Triaxial Loud Audio 240 Watt per Pair w/ 4 Ohm Impedance and 3/4'' Piezo Tweeter for Car Component
Amazon.com: Pyle-Pro 4x4 Inch Speaker-Heavy Duty 150 Watt High Power Horn Audio Tweeter System w/ 25mm Voice Coil, 15 Oz Magnet Structure, 1kHz-18 kHz Frequency, 105 dB, 8 Ohm Impedance-Pyle (PH44) :