Earphone Headphone with All Knowles+Sonion Ba Drivers+4-Way Frequency

Product Name: Earphone Headphone with All Knowles+Sonion Ba Drivers+4-Way Frequency Model NO.: BS-28 Jack Type: Plug-in Jack Diameter: 3.5mm Function: RF, Waterproof, Noise-Cancelling, HiFi Usage: Portable Media Player, Computer, Mobile Phone Communication: Wired Type: Electrostatic Headphones Color: Silver, Beige, Blue, Red, Gold, Brown, White, Black Wire Material: OCC Features: Anti-Static, Dustproof MOQ: 200sets Driving Unit: Six Balanced Armature Units Sensitivity: 115dB Spl/MW Input Impedance: 13.5 Omega Frequency Response: 10 Hz-40 kHz The Distortion Rate: Less Than 0.5%(1 kHz) Cable Length: 1.2m +/-5% N,W.: 5.3G Trademark: Customized Transport Package: Plastic Blister Specification: Up to Design Origin: China Product Description Earphone Headphone with all Knowles+Sonion BA Drivers+4-way FrequencyDM7: Six Driver BA IEMNew design-easy todrive3D printing technologyGerman medical-grade resinKnowles + Sonion 6BA4-Way Crossover + 4 sound boreCustomized IEM3D printedresin cavity shellGermany Envision TEC 3D printing equipment.PMMA acrylic fiber is made of medical-grade material, which improves the high temperature resistance and impact resistance. The left and right channel error is within 1dB, creating a cost-effective class of custom headphones.4-Way Crossover + 4 sound boreIntegrated with professional 4-Way Crossover + 4 sound bore, the 6balanced armaturesarelinked to each other to present a balanced sound in all three key areas - bass, midrange and treble.High frequencies offer abeautiful sense of air.Low frequenciesare well balancedwith good speed. They are great both for critical and casual listening.Clear imaging allowsprecise positioningand offers asuperbsense of layering, bring you auditory enjoyment.Knowles SWFK-31376Knowles ED-29689Sonion 33AP007Knowles CI-22955Sophisticated processing 4-Way Crossover technologyDM7 adopts the industry standard 4-Way crossover technology, the drivers transmits sound waves through 4 separate channels equipped with 3 Knowles filters and 1 patented acoustic damper, which divide the extremely high, high, medium and low frequencies. It makes the overall curve smooth and coherentand the sound real and vivid, removing any fatigueeven when listening for a long time.low frequency channelIntermediate frequency channelMedium high frequency channelExtremely high frequency channelHigh quality MMCX interfaceDM7 use the MMCX standard to connect the cable, as itcan effectively solve the problem of earphones becoming uselessbecause the cable breaks, and it also allows to change the tuning through the cableand provides more optionsto upgrade the cable.Pluggable MMXC interfaceAudiophile CableStock cable is an8-core mixed single crystal copper + single crystal copper silver foil wire:not only does it allow for losslesssignal transmission with improvements to sound quality, it also is good enough tono longer make you worry about upgrading.Customized wearable experienceThe ergonomic design allows the earpiece to fit the ear canal, avoidingdiscomfort even aftera long time, also dispersingear pressure, so as to let you enjoy the fun of music.We partnered with Siemens to access their ear canal database: we analysed and compared data on tens of millions of ear canals to obtain earpieces that fit the human ear perfectly.Hi-res high quality audio certificationDM7 has been certified by Japanese Audio Association as "Hi-Res Audio", bringing you a listening experience beyond CD level.Wearing diagramMake sure to distinguish the right and left earphones. Pay attention to the "blue" and "red" marks on the wires. Blue is for the left ear and red is for the right ear.Insert the earphone straight into the ear, slightly rotate it until it fits the ear.Hold the earphone cord behind your earPress and hold the earpieceto adjust the sealAdjust the earphone cableto fix the earphoneCongratulations, you can start your DM7 music journey!Product parameters & standard accessoriesDriving unit: six balanced armature unitsSensitivity: 115dB SPL/MWInput impedance: 13.5 ΩFrequency response: 10 Hz-40 kHzThe distortion rate: ≤0.5%(1 KHZ)Cable length: 1.2m ±5%Weight: around 5.3gCable: Single crystal copper + single-crystal silver-plated copper wireStandard equipment: vocal sleeve S/M/L, equalizing sleeve S/M/L, packing package X1, brush X1Knowles BA SWFK-31376Knowles BA ED-29689Sonion BA: 33AP007MMCX ConnectorCustomize Tuning PCBKnowles BA CI-22955German medical grade resin shellCustomized 4-way sound tube3 Knowles Filter1 Customized filterCarefully calibrated frequency response curvesThe overall curve is balanced, pleasantand very naturalDM7 is rich in details in the vocal area, which is soft and never piercing. High frequencies are beautifully rendered with a strong sense of air.Low frequencies arejust right in their presence, with good speed. They are appealing both when you want to concentrate on music and when you just want to have fun.Features of CNC parts1. Precision CNC parts strictly according to customers' drawing,packing and quality request2. Tolerance: Can be kept in +/-0.003mm3. 100% inspection during production to ensure the quality4. Experienced technology engineers and well trained workers5. Fast and timely delivery. Speedy & professional service6. Give customer professional suggestion while in the process of customer designing to save cost.7. Customers can use PAYPAL and other online payment platform to pay a small amount of sample fee to shorten the sample production time8. Quality assurance in accordance with ISO9001MaterialStainless SteelSS201,SS303,SS304,SS316,SS416,SS420,17-4PH,SUS440CSteelQ235,C20,C45(K1045),1214,1215BrassC36000(C26800),C37700(HPb59),C38500(HPb58),C27200(CuZn37),C28000(CuZn40/H62),C3604BronzeC51000, C52100, C54400,CuSn8AluminumAL2024,AL5754(Almg3),AL5083,AL6061,AL6063,AL5052,AL7075Alloy SteelSCM435,10B21PlasticPA6,PA66,PP,PC,POM,FR4,ABS,AcrylicOthersAccording to customers' requirementsProcessingCNC machining, CNC milling and turning, drilling, grinding, stamping, tapping,bendingFinishAnodizing ,Heat treatment, polishing, powder coating, galvanized, electroplating, spraying, and paintingDimensionsAccording to customer's drawingTolerance±0.003mmDrawing FormatPDF/JPEG/AI/PSD/CAD/Dwg/Step/LGSMOQnegotiableQC Policy100% inspection and random inspection before shipment, with QC passed labelStardardMaterials and surface treatment comply with RoHS/Reach DirectivesProcessing EquipmentsCNC machining center, CNC milling machine, Drilling machine,grinding machine, CNC machining Puncher,Milling machine,CNC wire-cut machine,Charmfering machine;Testing EquipmentsCMM, Projector, Pull Tester, Automatic Optical Inspector, Salt Spray Tester, Durometer, Tensile MachineCalipers,ApplicationAutomation machine, medical device, industrial machine, automobile, electric appliance, robot, computers, tele-communication,and other industriesPackagingPE bags or bubble bags, boxes, cartons, pallet or as per customers' requirementsTrade TermsEXW, FOB, CIF, As per customers' requestPayment TermsPaypal or Western Union for sample orders; Larger amount by T/T with 30% as deposit,70% before shipmentDelivery TimeWithin 15-20 working days after deposit or payment receivedShipping PortsFOB Shenzhen(recommended), or Guangzhou, or Hong KongDongguan Baisheng Precision Technology Co., Ltd was founded in 2010. To realize the enterprise value pursuit and competition strategy, in 2016, the factory was overall moved to Chang'an Town, Dongguan City known as "world factory". It's a high-tech enterprise integrated with R&D, production, sales and service etc. We mainly commit to the CNC precision parts for industries such as industrial robots, drones, smart home, new energy car, automation equipment etc. We have many years' experience of market research and development on 3C consumer electronic products as well as product appearance patent and overall scheme.We registered capital with RMB6000000 with a workshop of 5000 square-meter and over 100 high-qualified professional employees including R&D team 20 engineers and technicians. We facilitate with 50 sets of China top Taikan CNC drilling and tapping machines, 30 sets of LK vertical and horizontal nano-injection molding machines, 1 set of height cone, 1 set of quadratic element, 1 set of Germany Edwardian coordinate measuring instrument and large quantities of auxiliary toolings.We stick to the company principle of quality first, service first, continuous improvement and innovation to meet the customers' demands as well as the quality objective of zero defect, zero complaint. To realize the win-win business cooperation, we're always devoting ourselves to providing the customers with qualified products at the reasonable prices.Welcome your OEM or ODM projects.Company Philosophy: Innovation is fundamental, quality is life, pragmatism is the purpose, efficiency is the goal.FAQ:Q1. Are you a genuine manufacturer?Yes, all the products are produced in our ISO9001:2008 certified factory; We are also a company registered by China Customs with the right to export and import.Q2. What should I offer to get your quotation?Please offer us your detailed information for the product, such as drawings with 2D/3D by software Pro/E, Auto CAD, SolidWorks, UG etc; as well as materials, surface treatment, quantity, package. Any special requirements should be highlighted especially for tolerance.Q3. Can we get a complete product besides CNC parts?To some extent, yes, we can. But firstly we need assess feasibility.Q4. What's your top process tolerance?Now our top process tolerance is ± 0.003mm.Q5. What are your sample policy and trade/payment terms?We can offer the free samples with total value less than USD10; while the buyers should bear shipping cost and import VAT.Ex-works, FOB Shenzhen/Guangzhou/Hong Kong, CIF etc. would be OK for us.As for the payment, small value is recommended by Paypal or Western Union; larger amount by T/T, 30% as deposit, 70% before shipment.Q6. How about the warranty?The warranty is for 1 year. As you know, our CNC parts have a long lifespan except for damaged by operating inappropriately.Q7. What's your policy for RMA?All defective products should be confirmed by us based on the customers' RMA list and photos first, then we'd like to refund the money or compensate the goods by free of charge accordingly.Q8. I want to keep our design in confidence; can we sign NDA?Sure, to protect customers' profit is our obligatory responsibility, signed NDA would be valid to both of us..What benefit we can get from you?1) Competitive price2) High quality control : 100% full inspection before shipment3) High precision, tolerance can be ± 0.003mm4) Fast lead time (5-7days for samples, 12-15 days for mass production)5) Non-standard//OEM//customized service provided6) No MOQ, small QTY is acceptable.7) Factory ISO 9001 certification, ROHS material used9) Professional export packing: separate Blister plastic box or Bubble Wrap/Pearl Wool +Carton+ Wooden Case, keep no scratch and damage