IMPEDENCE8 ohmsSPEAKER SIZE4x10 in.BASS PORTSfrontTWEETER1 compression driver with custom hornPOWER HANDLING800W RMS (AES Standard)CROSSOVER FREQUENCY3.5 kHzFREQUENCY RESPONSE35 Hz to 20 kHzSENSITIVITY103 dB SPLWEIGHT65.92 lbs / 29.9 kgWIDTH23.39 in. / 59.4 cmHEIGHT29.13 in. / 73.9 cmDEPTH18.9 in. / 48 cm All Markbass cabinets contain ultra-light neodymium speakers. This cabinet is available in both 8 ohm (STD104HF-8) and 4 ohm (STD104HF-4) versions