Denon C820 Dual Driver In Ear Headphones Earbud AHC820BKEM JAPANDescription Developed as the highest model of dynamic earphones, aiming for the ultimate in bass reproduction.Equipped with a new patented Double Air Compression Driver. Two 11.5mm drivers are placed facing each other in a compact housing to double the area of the diaphragm.It combines overwhelming volume and clearness down to the ultra-low range. AwardVisual Grand Prix 2017 SUMMER Lifestyle Section AwardVisual Grand Prix 2018 SUMMER Lifestyle Subcommittee AwardVisual Grand Prix 2019 Lifestyle Subcommittee Awardsee nextDescription by manufacturer In-ear top-of-the-line model developed for the ultimate in bass reproductionEquipped with a dual air compression driver that achieves overwhelming bass reproductionDeveloped as the highest model of dynamic earphones, aiming for the ultimate in bass reproduction. Equipped with a patented new method Dual Air Compression Driver. Two 11.5mm drivers are placed facing each other in a compact housing to double the area of the diaphragm. It combines overwhelming volume and clearness down to the ultra-low range. Specifications of AH-C820Format: dynamic typeDrivers: 11.5 mm x 2 double air compression driversMagnet: Neodymium magnetImpedance: 16 OhmSensitivity: 115 dB/mWMaximum Input: 250mWFrequency Response: 4 - 40,000 HzMass: 10.4 g (excluding cable)Cable: 1.3 m OFC wire (with adjuster)Plug: 3.5 mm gold-plated stereo mini plug (straight type)Accessories: Instruction manual, silicon earpiece (XS/S/M/L), carrying case, cable clip A new driver that overturns the common sense of bass reproductionTwo 11.5 mm double air compression drivers are positioned opposite each other. By arranging the dynamic drivers facing each other, the area of the diaphragm is doubled. A new patented driver that overturns the common sense of bass reproduction, combining overwhelming volume and his clearness down to the ultra-low range. Realize high-quality sound with high purityA dual direct cable that directly connects a dedicated cable to each of the two drivers to achieve a highly pure sound. OFC is used for the wire material, and mesh covering with excellent durability is used for the sheath. Suppresses unnecessary vibration and conveys the transparency of high-resolution sound qualityThe housing adopts a hybrid structure that uses high-quality aluminum die-cast and ABS resin. It suppresses unnecessary vibration and realizes a highly transparent sound. Acoustic optimizer for adjusting sound pressure balanceEquipped with an acoustic optimizer that optimizes the piston motion of the diaphragm by adjusting the sound pressure balance in front of and behind the driver. Optimizing the operation of the two drivers by providing one port each on the front and back of the housing. Design that fits snugly in your earsIt has an ergonomic design that prevents it from coming off even while moving. It fits naturally in your ear and is comfortable even when listening for long periods of time. Comes with 4 sizes of silicone ear tips that can be selected according to the size of the ear canal. Equipped with excellent sound-isolating earpiecesEquipped with Comply earpiece TX-500. Comply earpieces, which have a reputation for excellent sound insulation and comfort, are standard equipment to prevent sound leakage during commuting.Shipping FedEx?or DHLInternational Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying. Thank you for your understanding.

Dual C820 service manual This is an original factory released manual, not a copy. Printed in English. In good condition. We will include a stiff cardboard insert and put a Please Do Not Bend sticker on the envelope to help preserve the integrity of the manual. U.S.A & Canada, please allow one week delivery. UK & Europe, please allow 2-4 weeks or so for delivery. For all other International destinations, please allow 4-6 weeks or so for delivery.

Dual C820 owners manual This is an original factory released manual, not a copy. Printed in multiple languages. In good condition. We will include a stiff cardboard insert and put a Please Do Not Bend sticker on the envelope to help preserve the integrity of the manual. U.S.A & Canada, please allow one week delivery. UK & Europe, please allow 2-4 weeks for delivery. For all other International destinations, please allow 4-6 weeks for delivery.