4.25" x 4.25" COMPRESSION HORN, ROLAND KC-500, KC-550, PEAVEY TRIFLEX, SWR, OTHERS Compression Horn Part # T-419, Peavey Triflex, Roland, SWR, and more! Specs: Size: 4-1/4" (5-3/4" diagonally), Hole cut-out: 3-1/4", Depth: 4-1/2" , Magnet: 15 oz, Voice coil: 1", Impedance: 8 ohms, Re: 7 ohms, Power: 80 watts RMS, 160 watts max, Response: 2 kHz - 16 kHz, Sensitivity: 102 dB Popular replacement midrange, tweeter horn. Fits many brands and models of Carvin, Cerwin Vega, Foster, Gemini, Peavey, Roland, SWR, and more! We also carry replacement diaphragm D-420 for repair.