TS-M651PRO - Pioneer, sold by Pioneer its just a speaker grill. They get pretty loud using 90 watts.
Continuous Power handling (RMS) 120 - Watts, one issue the box wire clip fell apart one box just use it wired used very little
Crossover Frequency 50 Hz Frequency Response 50 Hz to 18 kHz
Maximum Peak Power Handling - Watts 500
Nominal Impedance - Ohm 4-Ohm
Sensitivity (1W/1m) 94 dB System-Type Component Mid-Bass Driver