Gikfun 4Ohm 40mm Diameter 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1794

Features

• 2pcs 4Ohm 3W 40mm Diameter Full Range Audio Speaker Stereo Woofer Loudspeaker
• Two mounted mini audio speakers, audio speaker stereo woofer, ideal for radio, interphone, multimedia speakers, can be used for Bluetooth Speakers, radio replacement, also suitable for DIY hobby soldering.
• resonance frequency : 320Hz+-20%, Insulation Resistance : 10MO, characteristic sensitivity of loudspeaker : 83+-3dB
• nominal impedance : 4O+-15%, input-power rating : 2W
• rated frequency range : 0-20KHz, distortion factor : maximum 5%