20W 4Ohm 8Ohm 44MM Super Resonance Bass Speaker Full Range Loudspeaker Sound Exciter Neodymium Vibration Speaker Durable

Premium material, excellent performance, long service life. Vibration speaker resonate with the plane. Vertiacal installation. The aluminum shock rod dowm, firmly attached to a horizontal object. 20W4Ohm 8Ohm 44MM Super Resonance Bass Speaker Full Range Loudspeaker Sound Exciter Neodymium Vibration Speaker Durable. brand new and high quality. Features: Premium material, excellent performance, long service life. Vibration speaker resonate with the plane. Vertiacal installation. The aluminum shock rod dowm, firmly attached to a horizontal object. Light-weight and compact design, convenient to carry and use. Vibration Speaker only, other accessories demo in the picture are not included!. Specification: Material: Metal. Magnetic Circuit Form: Internal Magnetic. Frequency Characteristics: Full Band Full Range). Rated Power: 20W. Rated Impedance: 4,8 Optional). Frequency Response: 70HZ-20KHZ. Directivity: Positive. Sensitivity: 86dB/W. SQ: 86dB. Harmonic Distortion: 5 TMD. Color: Silver. Siz