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 : 10MΩ, characteristic sensitivity of loudspeaker : 83±3dB