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Specification
Brand : Hosyond
BulletPoint1 : 【HI-FI & Stereo】High-quality 2.1-channel 220W+220W+350W Bluetooth 5.1 amplifier board, with multiple audio input methods such as AUX, Bluetooth, U disk, and USB sound card, allowing you to enjoy the fun of music anytime, anywhere.
BulletPoint2 : 【Function upgrade】Supports APP control, and can modify Bluetooth name and password settings. The 5.1 Bluetooth version has settings such as adjustable volume, sound on/off, and timed shutdown. Comes with 10 natural sleep songs and up to 1023 sound combinations. Not only can you display the playlist of the U disk, you can also shake the phone to change songs or use the dial/mode key to switch songs.
BulletPoint3 : 【Professional chip】Using 2 Texas Instruments TPA3255 chips, it is a high-performance Class D amplifier with Class D efficiency, which can bring true high-end sound quality. The device adopts advanced integrated feedback design and proprietary high-speed gate driver error correction technology. This technology enables the device to maintain ultra-low distortion across the entire audio band while providing high-definition sound quality.
BulletPoint4 : 【Super Compatibility】 5.1 Bluetooth version, with higher transmission efficiency, more stability and longer transmission distance. In open space, the wireless range can reach 15 meters (49 feet). It can be widely used in various devices such as tablets, PCs, TVs, smartphones, laptops, etc.
BulletPoint5 : 【Safety Protection】 The amplifier board has short circuit, overcurrent, overheating and anti-static protection to prevent complete failure. When overloaded, the device will report the fault to the processor to protect itself from damage.
Color : black
ControlsType : Knob, Remote Control
ExternallyAssignedProductIdentifier : 6976935810028
ExternallyAssignedProductIdentifier1 : 768572762794
ExternallyAssignedProductIdentifier2 : 0768572762794
ExternallyAssignedProductIdentifier3 : 00806576230021
Hazmat1 : LITHIUM METAL BATTERIES CONTAINED IN EQUIPMENT
Hazmat10 : CN_SmallLithiumMetalBatteryInEquipment
Hazmat11 : DE_SmallLithiumMetalBatteryInEquipment
Hazmat12 : EG_SmallLithiumMetalBatteryInEquipment
Hazmat13 : ES_SmallLithiumMetalBatteryInEquipment
Hazmat14 : FR_SmallLithiumMetalBatteryInEquipment
Hazmat15 : GB_SmallLithiumMetalBatteryInEquipment
Hazmat16 : IE_SmallLithiumMetalBatteryInEquipment
Hazmat17 : IN_SmallLithiumMetalBatteryInEquipment
Hazmat18 : IT_SmallLithiumMetalBatteryInEquipment
Hazmat19 : JP_SmallLithiumMetalBatteryInEquipment
Hazmat2 : UN3091
Hazmat20 : MX_SmallLithiumMetalBatteryInEquipment
Hazmat21 : NL_SmallLithiumMetalBatteryInEquipment
Hazmat22 : PL_SmallLithiumMetalBatteryInEquipment
Hazmat23 : SA_SmallLithiumMetalBatteryInEquipment
Hazmat24 : SE_SmallLithiumMetalBatteryInEquipment
Hazmat25 : SG_SmallLithiumMetalBatteryInEquipment
Hazmat26 : TR_SmallLithiumMetalBatteryInEquipment
Hazmat27 : US_SmallLithiumMetalBatteryInEquipment
Hazmat28 : ZA_SmallLithiumMetalBatteryInEquipment
Hazmat3 : II
Hazmat4 : 9
Hazmat5 : AE_SmallLithiumMetalBatteryInEquipment
Hazmat6 : AU_SmallLithiumMetalBatteryInEquipment
Hazmat7 : BE_SmallLithiumMetalBatteryInEquipment
Hazmat8 : BR_SmallLithiumMetalBatteryInEquipment
Hazmat9 : CA_SmallLithiumMetalBatteryInEquipment
IncludedComponents : Amplifier Board
ItemName : Hosyond TPA3255 Bluetooth 5.1 Power Amplifier Board HiFi 2.1 Channel 220Wx2+350W Digital Audio Receiver Power Amplifier Module with Treble and Bass Control for DIY Speakers
ItemPackageDimensions_Height : 16.2052 centimeters
ItemPackageDimensions_Length : 5.207 centimeters
ItemPackageDimensions_Width : 14.5034 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : audio-component-amplifiers
Manufacturer : Hosyond
Material : PCB, Plastic
MaximumSupplyVoltage : 38 volts_of_direct_current
MinimumSupplyVoltage : 16 volts_of_direct_current
ModelName : MB Quart
ModelNumber : ZK-AS21
MountingType : Through-Hole Mount
NumberOfChannels : 2
NumberOfItems : 1
OutputPower : 350 watts
OutputType : HDMI
PackageLevel : unit
PackageTypeName : Protective Shell
PartNumber : A41204-MG-US
PowerSourceType : Corded Electric
ProductDescription : Name: 2.1 channel BT power amplifier
Channel: 2.1 channel (left channel+ right channel+subwoofer)
BT Version: 5.1
Model:ZK-AS21
Audio input: BT+AUX+USB+USB sound card(dial wheel key to switch mode and song)
Chip Solution:TPA3255
Adaptive power supply: DC16~38V, ≥10A
Output power: R&L channel≤220W subwoofer≤350W
Voltage gain:30dB
Size:141*132*26mm
Adaptive speaker: L&R channels30-220W,3-8Ω subwoofer 30-350W, 2-8Ω Protection Mechanism: Protection against reverse connec- tion,undervoltage,overheating, overcurrent and short circuit (automatic recovery without restart)

KIND TIPS：
When the audio signal input is large enough and the power supply voltage/current is large enough, there will be enough output power!

The higher the power supply voltage, the greater the output power, and the smaller the speaker impedance, the greater the output power!

Please make sure that the power of the adapted power supply is greater than the actual working power of the power amplifier!

Packing Include:
ZK-AS21 Power Amplifier Board * 1
Protective Shell * 1 Set
Screwdriver * 1
Knob * 5

ProductSiteLaunchDate : 2024-09-12T09:14:58.742Z
SignalFormat : Analog
SpecificationMet : Basic Safety Standards
StreetDate : 2021-02-15T00:00:01Z
Style : Modern
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
SupplyCurrent : 10 amps
SurroundSoundChannelConfiguration : 5 1 channel
TunerTechnology : DAB
UnitCount : 1
UnspscCode : 52161547
Voltage : 12 volts_of_direct_current
WarrantyDescription : 1 year.
Wattage : 120 watts