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Specification
Brand : Teyleten Robot
BulletPoint1 : Excellent noise suppression, in the absence of input audio, the ear against the speaker can not hear any noise, two-channel stereo, 5V power supply that can output 3W + 3W power, can be directly driven by the 4Ω, 8Ω small speakers, output power, energy, good sound quality. Unique Class D digital power board without LC filter, can be used directly with the computer's USB power supply.
BulletPoint2 : Operating voltage: 2.5V-5.5V. note: the power supply voltage should not exceed 5.5V, the power supply positive and negative do not connect the reverse
BulletPoint3 : Speaker with: 4-8 ohms, recommended: 4 ohms; speaker power: 2-8W
BulletPoint4 : Can use computer USB port 5V power supply, or use mobile phone charger USB port 5V power supply, can also use lithium battery power
BulletPoint5 : 90% high efficiency, 4Ω load and 5V power supply conditions, can provide 3W (left channel) +3W (right channel) output power. class A, class B and other amplifiers are only in the efficiency of about 30%, class D amplifier in today's green trend is highly respected
BulletPoint6 : Class D amplifier efficiency is very high, not because of the temperature rise affects the sound quality, and do not have to add a heat sink, occupies a small volume
BulletPoint7 : The amplifier board has built-in noise cancellation circuit, no crackling noise when the power supply is on/off; the module has short-circuit over-current protection and over-temperature protection
Color : default
ExternallyAssignedProductIdentifier : 8424515611902
ExternallyAssignedProductIdentifier1 : 672563267116
ExternallyAssignedProductIdentifier2 : 0672563267116
Hazmat1 : auto-grounding
Hazmat10 : EG_NoAir
Hazmat11 : ES_NoAir
Hazmat12 : FR_NoAir
Hazmat13 : GB_NoAir
Hazmat14 : IE_NoAir
Hazmat15 : IN_NoAir
Hazmat16 : IT_NoAir
Hazmat17 : JP_NoAir
Hazmat18 : MX_NoAir
Hazmat19 : NL_NoAir
Hazmat2 : 3
Hazmat20 : PL_NoAir
Hazmat21 : SA_NoAir
Hazmat22 : SE_NoAir
Hazmat23 : SG_NoAir
Hazmat24 : TR_NoAir
Hazmat25 : US_NoAir
Hazmat26 : ZA_NoAir
Hazmat3 : AE_NoAir
Hazmat4 : AU_NoAir
Hazmat5 : BE_NoAir
Hazmat6 : BR_NoAir
Hazmat7 : CA_NoAir
Hazmat8 : CN_NoAir
Hazmat9 : DE_NoAir
IncludedComponents : Amplifier, manual, power cable, remote
InterfaceType1 : USB
InterfaceType2 : Optical
InterfaceType3 : Coaxial
InterfaceType4 : RCA
ItemName : Teyleten Robot PAM8403 Mini 2 * 3W Digital Amplifier Board Digital Amplifier Class D Board 2.5~5V 10pcs
ItemPackageDimensions_Height : 7.874 centimeters
ItemPackageDimensions_Length : 1.27 centimeters
ItemPackageDimensions_Width : 4.572 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : audio-component-amplifiers
Manufacturer : Teyleten Robot
ModelNumber : FR01267
MountingType : Freestanding
NumberOfChannels : 2
NumberOfItems : 1
NumberOfPins : 10
OutputPower : 120 watts
PartNumber : E50-
ProductDescription : Mini digital amplifier board 2*3W Class D why is there noise from the speakers after powering on? Answer: 1, there is a whistling sound, should be the introduction of the audio input line, you should use a shielded cable to do the audio input line, there is also an audio input line do not hang to connect the sound source. 2, or a reason may be a bad power supply some switching power supply interference is very large, resulting in the 3, try to turn down the sound, it may also be that the audio signal input is too large to make the signal to produce a cut limit. Excellent noise suppression, in the absence of input audio, the ear against the speaker can not hear any noise, two-channel stereo, 5V power supply that can be output 3W + 3W power, can be directly driven by the 4Ω, 8Ω small speakers, high output power, energy, good sound quality. Unique Class D digital power board without LC filter, can directly use the computer's USB power supply. Dual panel wiring, proper solution to the wiring caused by the ground potential balance and crosstalk between the channels, ultra-miniature design, can be easily placed in a variety of digital products within a small space, amplification efficiency is super high. All the machine for the whole board welding, welding quality is not hand soldering iron welding can be compared!
ProductSiteLaunchDate : 2020-08-07T08:50:42.932Z
ShipsGlobally : 1
SpecificationMet : Roon Tested
SupplierDeclaredDgHzRegulation : not_applicable
UnspscCode : 52161547
Voltage : 230 volts_of_alternating_current
Voltage1 : 5.5 volts
Voltage2 : 5 volts