JBL CSPM-1 尋呼話筒 JBL的商業cspm-1尋呼話筒是一個動態的近講麥克風尋呼系統/酒吧，劇場大廳，百貨，瑜伽館，咖啡廳，餐廳，零售商店，理發店，雜貨店，汽車經銷商，游樂場，書店，和更多。 一個單一的電纜連接到cspm-1包含音頻3導體（正，負，盾）。按PTT按鈕打開麥克風，并釋放PTT按鈕把麥克風放。 1 PTT（按下通話）按鈕 適用于1區的尋呼 適用于csm-21 1 膠囊動態 典型的2.2 mV的靈敏度/ PA（54伏） 150到15千赫頻率響應 21 db-a等效噪聲 極性模式定向心形 最大聲壓133 dB（SPL），k = 1% 530?阻抗 保護風和流行的保護：內部泡沫 The JBL Commercial CSPM-1 Paging Microphone is a dynamic close-talking microphone for paging systems in bars/pubs, theatre lobbies, department stores, yoga studios, coffee shops, restaurants, retail stores, hair salons, grocery stores, car dealerships, fairgrounds, book stores, and much more. A single cable attached to the CSPM-1 contains 3 conductors for audio (Positive, Negative, Shield). Pressing the PTT button turns the microphone on, and releasing the PTT button turns the microphone off. 1 PTT (Push-To-Talk) button Suitable for paging to 1 zone Suitable for use with CSM-21 1 Capsule Dynamic Sensitivity Typical 2.2 mV / Pa (-54 dBV) Frequency Response 150 to 15 kHz Equivalent Noise 21 dB-A Polar Pattern Directional- Cardioid Maximum SPL 133 dB (SPL), K=1% Impedance 530 ? Protection Wind and Pop-Protection: Internal foam