YD-166-3 inches

Power: 15-30W
Input: Selectable constant voltage/constant impedance
Speaker Impedance: 8Ω
Speaker Unit: 3-inch full-range
Sound Pressure Level: 100dB ±2dB
Sensitivity: 87dB
Frequency Response: 110-16KHz
Speaker Housing Material: ABS engineering plastic
Ground Plug Accessories: Aluminum-magnesium alloy (anti-aging)
Product Dimensions: 520x330x170mm
Installation Method: Floor-standing / Ceiling-mounted / Wall-mounted
Accessories: Comes with 2 sets of aluminum-magnesium alloy plugs (oxidation-resistant aluminum)