Advanced AMT design "squeezes" air molecules instead of shoving or crushing them Folded Kapton ribbon diaphragm delivers clean, detailed, and highly dynamic output faceplate provides easy mounting and a classic look Powerful, magnet structure for low distortion and high efficiency Sonically similar to the best metal ribbon and planar tweeters Specifications RMS Power: 20W : 40W Rated Impedance: 4Ω Front Panel Material: High-Grade Aviation Aluminum Terminals: Plug Recommended Crossover Frequency: ≥2.7kHz Parameters Nominal Impedance: 3.6Ω Sensitivity: 92dB Frequency Range: 2.3kHz-27kHz FEATURES • Advanced AMT design "squeezes" air molecules instead of shoving or crushing them • Folded Kapton ribbon diaphragm delivers clean, detailed, and highly dynamic output • faceplate provides easy mounting and a classic look • Powerful, magnet structure for low distortion and high efficiency • Sonically similar to the best metal ribbon and planar tweeters Color: Black Material: Metal Package Contents: 1*Tweeter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.