Best 3db Hybrid Coupler

Shakespeare 4186U Nylon Ratchet Mount - Unassembled

iMicro SP-IMTP331 Multimedia Stereo Headphones General Features: Black color.
Goose Neck Boom Microphone Speaker Driver Unit: 40mm Speaker Frequency: 20~20kHz.
Speaker Sensitivity: 110dB 3dB Speaker Impedance: 32ohm 15% Mic. Dimension: 6 5mm.
Mic. Frequency: 20~20kHz Mic. Sensitivity: -58dB 3dB Mic. Impedance: 2K ohm.

Momentary switch for priority paging & lock down switch for continuous use.
3-Way Toggle Switch, Sensitivity: high-53dB±3dB low-71dB±3dB.
Locking Toggle for Continuous Use.Impedance: low-600 ohms high-50kHz.
6” gooseneck extension and 5’ cord.XLR Connector with 5' Coil Cord,Cannon 3 pin XLR male connector.

EXTREMELY FLEXIBLE - All weather flexibility (-40 Degree to 150 Degree F Ambient).
EXTREMELY DURABLE - Abrasion resistant outer cover and crush resistant aircraft aluminum fittings with bend restrictor, includes ColorConnex industrial plug & coupler.
WON'T KINK UNDER PRESSURE - Hybrid polymer coils easily and lays flat with zero memory.
300 POUNDS PER SQUARE INCH - Maximum working pressure.
VERSITILITY - Use on professional jobsites, in automotive shops or at home in the garage.

... Patented Plus One Glass Fiber Woofers - Infinity’s glass fiber woofer cones are lighter and stiffer with more cone-area than the competition, delivering increased low-frequency output and higher efficiency. Hearing is believing..
0dB or -3dB Tweeter Output Level Control - The push-button on the angled tweeter allows tweeter output level control of 0dB or -3dB to optimize system linearity based on installation location..
3-way Upgradability - Kappa 2-way component system crossovers are compact and equipped with 2-way and 3-way selections to accommodate a 2” or 3” midrange upgrade. The optional 2” or 3” midrange includes a bandpass crossover to upgrade a two-way system into a three-way system with perfect tonal balance..
Slim and Smart Crossover Design - Kappa component systems all have very slim crossovers, which equipped with connection cable for easy installation. The push-button on crossover allows tweeter output level control of 0dB or -3dB to optimize system linearity based on installation location..

Gaming headset with Microphone supports PCs, Macs, Xbox, PS4, Mobile phone and Tablets . Using 3.5mm Jack.
Driver diameter: 40mm , Impedance: 32Ohm , Sensitivity: 105dB +/- 3dB at 1KHz.
Frequency range: 15Hz-20KHz,Mic dimension: 6.0 * 5.0mm ,Mic sensitivity: -38dB +/- 3dB.
Cable length: Approx. 2.2m / 7.22ft - Headphone size: Approx. 20 * 9 * 21.5cm / 7.9 * 3.5 * 8.5in.
Design for Gamer with amazing sound quality.

PRECISE FIT. This trailer coupler is designed to mount onto a 3-inch wide trailer tongue beam and couple to any standard 2-inch diameter trailer ball.
EASILY ADJUSTABLE. Equipped with a posi-lock spring and adjustable nut on the inside, this trailer hitch coupler can easily be adjusted to ensure a snug fit on the trailer ball.
SECURE COUPLING. The posi-lock latch mechanism of this trailer tongue coupler accepts a safety pin or coupler lock for enhanced security.
HIGH-STRENGTH. Constructed from punched, die-cut steel, this trailer ball coupler is rated as a class 2 trailer coupler and has a capacity of 3,500 lbs. gross trailer weight and 500 lbs. tongue weight.
CORROSION-RESISTANT. To easily outlast the elements, including rain, snow, dirt, road grime and more, this straight tongue trailer coupler is finished in a durable zinc plating and makes a great boat trailer coupler.