uxcell 1/4-20 x 5" Square Neck Carriage Bolts with Nuts & Washers, Carbon Steel Coach Bolt Screws 10 Set 1/4-20 x 5" June_2023_update 2k Ohm Sensitivity -40±3dB at1Khz（0Db=1V/Pa）

2k Ohm Sensitivity -40±3dB at1Khz（0Db=1V/Pa） Operating Voltage 1

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Fits TRX 2

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uxcell 1/4-20 x 5" Square Neck Carriage Bolts with Nuts & Washers, Carbon Steel Coach Bolt Screws 10 Set 1/4-20 x 5" June_2023_update 2k Ohm Sensitivity -40±3dB at1Khz（0Db=1V/Pa）uxcell 1 4 20 x 5" Square Neck Carriage Bolts with Nuts & Washers, Carbon Steel Coach Bolt Screws 10 Set Product Features Thread Size: 1 4 20 x 5"; Square Neck Width: 6. 4mm 0. 25" Made of carbon steel with zinc plated finish. Each carriage bolt is equipped with a flat washer and a nut. The carriage bolt is designed with a round head and a square neck. It is used in the groove. The square neck is conveniently stuck in the groove during the