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Specification
AudioDriverSize : 50 millimeters
AudioDriverType : dynamic_driver
AudioOutputMode : Stereo
Brand : HiQltyla
BulletPoint1 : 【Port Tubes Function】speaker exposes the speaker diaphragm to produce sound, and there is also vibration at the back of the speaker. After installing the port tubes,as the diameter of the port tubes is smaller than the diameter of the speaker, a relatively strong sound wave will rush out of the inverted tube. the sound waves towards the front and back of the speaker are utilized, Improve the sound quality of the speaker
BulletPoint2 : 【Dimensions】Outer diameter (including Flange): 69mm/2.72", Maximum inner diameter:52.5mm/2.07", Minimum inner diameter:50mm/1.97", Length:52mm/2.05"
BulletPoint3 : 【Speaker Cabinet Vent Diameter】Compatible Model:SAPR402G, fit for most brands of PA/DJ Subwoofer Bass Speaker Cabinets Box Vent, Cabinet Cutout: 2"
BulletPoint4 : 【How to Choose Size】Set the cross-sectional area of the Port Tubes as S1, the effective vibration area of the bass horn as S2, and S1=(0.1-0.4) S2 is the optimal. Port Tubes length LV=(1.463 * 107R ^ 2)/(FB2VB) -1.463R, among them: LV is the length of the port tubes, R=the opening radius of the port tubes, all in inches; FB is the tuning frequency, in Hz; VB is the volume of the sound system, measured in cubic inches
BulletPoint5 : 【Package Includes】2" Speaker Port Tubes - 2Pack
BulletPoint6 : Product 2: 3" diameter per port, 4.5" length per port and 3.875" outside diameter flare
BulletPoint7 : Product 2: Ports contribute significantly to the low frequency output
BulletPoint8 : Product 2: Use for speaker cabinet, home speaker or car speaker
Color : black
CompatibleDevices : 家庭影院
CompatibleDevices1 : Smartphone
CompatibleDevices2 : Tablet
CompatibleDevices3 : MP3 Player
CompatibleDevices4 : Desktop
CompatibleDevices5 : Laptop
CompatibleWithVehicleType : Car
ConnectivityProtocol : wired
ConnectivityTechnology : wired
ControlMethod : touch
CustomerPackageType : Flat Free Package (FFP)
ExternallyAssignedProductIdentifier1 : 632963563416
ExternallyAssignedProductIdentifier2 : 0632963563416
ExternallyAssignedProductIdentifier3 : 00849155054526
GpsrSafetyAttestation : 1
IncludedComponents : 2 Speaker Port Tubes
InstallationType : Bolt-On
IsWaterproof : FALSE
ItemName : Speaker Cabinet Port Tubes for PA/DJ Speaker Cabinets Subwoofer Bass Reflex Tube Bass Box Vent, Compatible Model SAPR402G, 2" (52.8mm x 52mm) - 2Pack
ItemPackageDimensions_Height : 14.9 centimeters
ItemPackageDimensions_Length : 6.2 centimeters
ItemPackageDimensions_Width : 8 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : port-tubes
Manufacturer : HiQltyla
Material : Plastic
Material1 : Acrylonitrile Butadiene Styrene
Material2 : ABS
ModelName : SCPT
ModelNumber : SCPT-2"x2"
MountingType : Flush Mount
NumberOfCircuits : 1
NumberOfItems : 2
NumberOfPowerLevels : 1
PartNumber : SCPT-2"x2"
PowerSourceType : Corded Electric
ProductDescription :
Speaker Cabinet Port Tubes
Model: SCPT-2"x2", Compatible Model: SAPR402G
Compatible with most brands of PA/DJ Subwoofer Bass Speaker Cabinets Box
Suggest Cabinet Cutout: 2.07"

Condition: New
Color: Black
Material: Plastic
Outer diameter (including Flange): 69mm/2.72"
Maximum inner diameter: 52.5mm/2.07"
Minimum inner diameter:50mm/1.97"
Length: 52mm/2.05"

How to choose the speaker cabinet port tubes at suitable size?
1.Set the cross-sectional area of the Port Tubes as S1, the effective vibration area of the bass horn as S2, and S1=(0.1-0.4) S2 is the optimal. according to the calculation formula, the cross-sectional area of 2" Port Tubes fit for 3.5", 4", 5" and 6" Bass Speaker
2.Port Tubes length LV=(1.463 * 107R ^ 2)/(FB2VB) -1.463R, among them: LV is the length of the port tubes, R=the opening radius of the port tubes, all in inches; FB is the tuning frequency, in Hz; VB is the volume of the sound system, measured in cubic inches

Note: The dimensions of these Port Tubes are all manually measured, which may result in some slight errors. Please measure and confirm again after receiving the goods to ensure that the speaker cabinet cutout is just right. If the cutout is too large, you can use some glue to fix it

Package Includes:
2" Speaker Port Tubes - 2Pack
ProductSiteLaunchDate : 2023-05-15T03:46:16.626Z
RecommendedUsesForProduct : For Surround Sound Systems
SeriesNumber : 4330171941
Size : 2"x2"
SpeakerSize : 2 inches
SpeakersMaximumOutputPower : 100 watts
SpeakerType : Subwoofer
SpeakerType1 : Subwoofer
SpeakerType2 : Woofer
SpecificUsesForProduct : Subwoofer
Style : Speaker + Speaker, PT-308-2
SupplierDeclaredDgHzRegulation : not_applicable
SurroundSoundChannelConfiguration : 2.0
TargetGender : unisex
UnitCount : 2
UnspscCode : 52161600
WarrantyType : Limited
WaterResistanceLevel : not_water_resistant
WirelessCommunicationTechnology : Bluetooth