These white 6.5' Pyle indoor surface mount PA wall speakers are compatible with 70 W PA systems. It delivers 35 watts max for a clean sound perfect in the home or office. 8 ohm impedance. Includes a 70 V transformer, mounting bracket, and installation hardware. DETAILS6.5'' indoor surface Mount wall speaker Power/Load Rating: 50Watts Nominal Impedance: 8 Ohms 70 Volt Transformer Tapping @ 10 / 5 / 2.5 Frequency Range: 130 Hz - 15 KHz SPL(@ 1W/1m): 92dB Mounting Bracket & Hardware Included Dimensions:13" H x 9.5" W x 4'' DSpecificationThese white 6.5” Pyle indoor surface mount PA wall speakers are compatible with 70 W PA systems. It delivers 35 watts max for a clean sound perfect in the home or office. 8 ohm impedance. Includes a 70 V transformer, mounting bracket, and installation hardware.MANUALS & DOWNLOADS PDWT6 - Manuals