Surveillance Kit Acoustic Tube Earpiece for SL4000

Product Description2 wire surveillance kits with Popular PTT 1. Acoustic tube style 2. Kev-lar reinforced cable 3. Black and Beige color 4.12 months warranty Feature:   1. Professional surveillance 2 wire kits, with medicinal Grade acoustic tube; discreet and comfortable2. Quick disconnection acoustic tube3. Medium-duty Integrated PTT and lapel microphone with durable metal clip on its back.4. All have Kev-lar reinforced cable assemblies and over-molded strain assemblies and over-molded strain relief.5. Clear sound quality6. Can change the earplug (Eartip, Trigonal, and NOISE LIMITER) as per your request.7. Suitable for security, SWAT and other applications which require discrete communications1. Speaker Specification TypeTransducer Moving coil dynamic speakerImpedance200 Ω±15% @1KHZSensitivity111±3dB @1KHZ  At 950mV 150Ω on a CouplerResonance freq(F0) 400HZ±20%Frequency respond100~5KHzRated input power10mWMaximum input power300mW2. Microphone Specification Sensitivity Range-38 ± 3dB RL=2.2K Ω Vs=3.0V(DC) 1KHz 0dB=1V/PaImpedance Max2.2KΩ 1kHz (RL=2.2KΩ)Frequency50-1600HzCurrent Consumption Max0.5uA RL=2.2KΩ Vs=3.0V(DC)Operation Voltage Range1.0V-10V (DC)Max Sound pressure Level115dB S.P.LYour inquiry will be answered at the earliest timePre-sales ( online consultation ) After-sales ( timely delivery ) Design R&D center QC for each product "We are very happy with RayTalk. The product quality is better and your pricing is comparable to the suppliers that we used previously. Usually we receive shipments from you 2-3 weeks earlier than our previous suppliers, which is very helpful.  I also love that you are able to mark the products with our part number - this makes it much easier for our warehouse to receive and sort the product."                                                          From Danny Feemster (Two way radio accessories) "This was a very positive transaction. The supplier is very well informed on their products and was able to assist in all aspects of the transaction. They are very specific in the product specifications and what is discussed is what is delivered. There is excellent communication and a very thorough response. Everything I had asked was answered in a timely fashion. On top of good communication and a quality product. The delivery of the product came within 2 weeks which means they processed my order immediately. Very much appreciated. Am now doing ongoing business with Shenzhen Raytalk Technology Co."                                                                From Brandon Marton (Two way radio accessories) "The price is favorable (equal quality) :) Excellent and quick on service."                                                                   From Jan Marálek (Two way radio accessories) Our Services1. Reply with your inquiry within 24 working hours. 2. Experienced staff answer all your questions in professional and fluent English. 3. Customized design is available. OEM is welcome. 4. Exclusive and unique solutions can be provided to our customers by your well-trained and professional engineers and staff. 5. Special discount and protection of sales area provided to your distributor. 6. Do the best products and design personalized items for our customers. Our shipping:We have steady logistics, such as the DHL, UPS, TNT, and EMS, they are safe, steady, and cheap, we have a much experience in this field, most of the goods are sent to you from Hongkong to your city. We can support the western union, T/T, papal, and L/C payments term. Company Information:1.PACKAGE:Natural carton package or OEM service. 2.LEADTIME:Whithin one week for samples, order depand on the quantity. 3.SHIPPING METHOD:DHL,EMS,UPS etc as you want 4.PAYMENT: T/T, Western Union, paypal in small amount. Our prices DO NOT include any customs duty or tax. Please be responsible for custom tax if your local custom charge some custom tax. 5.RETURN and WARRANTY:  100% QC inspection before shipment. Accept exchange within 7 working days after you received. Pls contact us before you return. All of our products have 1 year warranty. 6.MINIMUM ORDER: Sample order and trial order are welcome..   /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1