Specification AudioSensitivity : 98 decibels BatteriesIncluded : 1 BatteriesRequired : 1 Brand : Depusheng BulletPoint1 : This wireless receiver adopts a dual antenna design, which can stably receive 4 channel microphone signals, and can receive barrier free reception up to 160 feet away, with strong anti interference ability. BulletPoint2 : The Depusheng R4 karaoke microphone are made of metal, which has a modern high-end texture is durable and can effectively withstand the loss caused by vibration. BulletPoint3 : The wireless microphone system signal will be automatically connected after power on, and the operation is simple and easy to understand. The volume of each microphone can be controlled independently, and the volume of each microphone can be flexibly adjusted according to the scene environment. BulletPoint4 : The 4 channel microphone is metal receiver, has a 1/4-inch audio output jack and four XLR output jacks for compatibility and connection to more audio equipment, such as mixers, amplifiers, active speakers or other devices with 6.35MM microphone jacks Audio equipment. BulletPoint5 : The metal Handheld Wireless microphone uses an advanced chip and a cardioid dynamic microphone core to accurately capture sound and deliver a clearer, purer, fuller sound. Each microphone needs to be equipped with two AA batteries (not included in the package, you need to buy it yourself) It is very suitable for karaoke, parties, churches, weddings, performances, conferences and outdoor activities. Color : Black CompatibleDevices : Karaoke Machine CompatibleDevices1 : Amplifier CompatibleDevices2 : Audio Mixer CompatibleDevices3 : Active speaker CompatibleDevices4 : Pre-effects CompatibleDevices5 : Karaoke Machines ConnectivityTechnology : UHF ConnectorType : Wireless ConnectorType1 : 6.35 mm Jack ConnectorType2 : XLR ControlMethod : touch ExternallyAssignedProductIdentifier1 : 092298962511 ExternallyAssignedProductIdentifier2 : 0092298962511 FrequencyRange : 500-599MHz FrequencyResponse : 16 KHz HardwarePlatform : Karaoke Machine IncludedComponents : 2 AAA batteries IncludedComponents1 : Wireless Receiver*1 IncludedComponents2 : Wireless handheld microphone*4 IncludedComponents3 : Power Adapter*1 IncludedComponents4 : 6.35MM cable*1 ItemName : Depusheng R4 Karaoke Wireless Microphones Professional 4 Channels Handheld Wireless Microphone System Metal Dynamic Mic for Karaoke Singing, House Party, Church, Performance ItemPackageDimensions_Height : 34.1122 centimeters ItemPackageDimensions_Length : 13.8938 centimeters ItemPackageDimensions_Width : 29.591 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : handheld-wireless-microphones Manufacturer : Shenzhen Depusheng Electronics Co., Ltd. Material : Metal MicrophoneFormFactor : Handheld ModelName : R4 ModelNumber : R4 NonLithiumBatteryPackaging : batteries_contained_in_equipment NumberOfChannels : 4 NumberOfItems : 1 PartNumber : R4 PolarPattern : Unidirectional PowerSourceType : Battery Powered ProductDescription : US-R4 ProductSiteLaunchDate : 2023-03-19T20:52:59.204Z RecommendedUsesForProduct : Singing RecommendedUsesForProduct1 : Singing RecommendedUsesForProduct2 : Karaoke Style : 4 Handheld mic SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 52161520 WarrantyDescription : Manufacturer warranty for 90 days from date of purchase.