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Specification
AgeRangeDescription : Adult
Brand : LeTkingok
BulletPoint1 : Preamp Stage: Classic 4580 op-amp delivers 5x gain (14dB).
BulletPoint2 : Headphone Amp: Dual NE5532 chips power 16Ω–600Ω headphones (47-type amplifier circuit).
BulletPoint3 : Inputs: 3.5mm AUX (supports 3/4-pole plugs with mic for gaming/phone calls) OR RCA ports (choose one).
BulletPoint4 : Outputs: Simultaneous 3.5mm + RCA output for multi-device use.
BulletPoint5 : [DURABLE ALUMINUM ALLOY BUILD] Crafted from aluminum alloy, this amplifier is lightweight, offers excellent heat dissipation, minimal interference, , and wear , ensuring a long service life.
BulletPoint6 : Patent & Copyright Protected
Color : #611
CompatibleDevices : Earphones
CompatiblePhoneModels : Samsung Galaxy S20
ConnectivityTechnology : Ethernet
ConnectorGender : Female
ConnectorType : USB
CustomerPackageType : Standard Packaging
ExternallyAssignedProductIdentifier : 8809662679140
ExternallyAssignedProductIdentifier1 : 859406007003
ExternallyAssignedProductIdentifier2 : 0859406007003
ExternallyAssignedProductIdentifier3 : 00859406007003
FormFactor : Case
GpsrSafetyAttestation : 1
HeadphonesFormFactor : In Ear
IncludedComponents : Blu-ray
ItemName : Hi-Fi 7-Band EQ Audio Amplifier with Bass/Mid/Treble Control Preamp & Headphone Amp EQ7（US Plug）
ItemPackageDimensions_Height : 4 centimeters
ItemPackageDimensions_Length : 29 centimeters
ItemPackageDimensions_Width : 8 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : headphone-amps
Manufacturer : LeTkingok
Material : Aluminum alloy
Material1 : Plastic
Material2 : Polycarbonate
ModelName : Mavaol94e2cobxwp
ModelNumber : Mavaol94e2cobxwp
NumberOfBoxes : 1
NumberOfItems : 1
PartNumber : TK-0513-99
Pattern : Solid
ProductDescription : Hi-Fi 7-Band EQ Audio Amplifier with Bass/Mid/Treble Control Preamp & Headphone Amp EQ7

Feature:
1.7-Band Equalizer (±12dB Adjustment)
Precision TL074 circuits (genuine TI/ST chips)
Adjustable frequency bands:
60Hz (Sub-Bass) | 150Hz (Bass) | 400Hz (Mid-Bass)
1kHz (Midrange) | 3kHz (Upper-Mid) | 6.5kHz (Treble) | 15kHz (Super-Treble)
Rotary knobs: Center = Neutral, ← Reduce | → Boost
2.Dual Amplification System
Preamp Stage: Classic 4580 op-amp delivers 5x gain (14dB).
Headphone Amp: Dual NE5532 chips power 16Ω–600Ω headphones (47-type amplifier circuit).
3.Versatile Connectivity
Inputs: 3.5mm AUX (supports 3/4-pole plugs with mic for gaming/phone calls) OR RCA ports (choose one).
Outputs: Simultaneous 3.5mm + RCA output for multi-device use.
4.Low-Power Design
DC 5V-12V (5.5*2.1mm jack)
Ultra-Efficient:
5V: ~390mA (1.95W)
12V: ~140mA (1.68W)
5.Pro-Grade Specs
Input impedance: 20kΩ
Output impedance: 600Ω
Compact Size: 114x85x32mm (ideal for desktop/studio setups).

Usage Notes:
Inputs cannot be used simultaneously (choose between 3.5mm or RCA).
Outputs work together (3.5mm + RCA).
1 x Hi-Fi 7-Band EQ Audio Amplifier
ProductSiteLaunchDate : 2025-05-13T06:20:26.617Z
ShellType : Hard
Size : US Plug
SpecificUsesForProduct : Travel
StreetDate : 2017-09-25T00:00:01Z
Style : US Plug
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
TargetGender : unisex
Theme : Animal
UnitCount : 1
UnspscCode : 52161547
WarrantyDescription : Manufacturer warranty for 90 day
WaterResistanceLevel : not_water_resistant
WirelessCommunicationTechnology : Bluetooth