ขาย [Ruibull] ลําโพงสเตอริโอบลูทูธ 8 Ohm 8 ⁄ 1 W 2 ชิ้น ราคาที่ดีที่สุด

100% Brand New and High Quality Specifications: Type: Dynamic speaker Dimension: External diameter 8 mm Rated Input Power: 0.3W Max. Input Power: 0.5W Impedance: 8ohm ± 15% at 1500Hz Sensitivity (S.P.L.): 84dB (0.1W/0.1m) ±3 dBat AVE 1.2K 1.5K 2.0K 2.5KHz84dB (0.1W/0.1m) ±3 dBat Total Harmonics Distortion: Max 8% at 1 KHz, 0.5W Voice Coil: Diameter 5.7mm Magnet: Rare earth permanet(Nd-Fe-B) magnet φ5.2x0.8t mm Weight: 6g Appearance: Should not exist any obstacle to be harmful to normal operation; damage, cracks,rusts and distortions,etc. Operation Test: Must be normal at program source - 0.5W Polarity: When positive voltage is applied to the terminal marked(+), diaphram should move to the front. Terminal strength: Capable of withstand 1kg loard for 30 seconds withiout resulting in any damage or rejection. Temperature: operation temperature: -20℃ to + 60℃; Storage temperature： -30℃ to + 70℃ Package Include Speakers x 2