speaker size: 2-1/2", full round type without flange, voice coil impedance: 8 ohms, power: 0.3 watts, magnet wt. 0.5 oz.
speaker size: 2-1/2", full round type without flange, voice coil impedance: 8 ohms, power: 0.3 watts, magnet wt. 0.5 oz.