4. The design on is a gain of 12db, and it can withstand a power of about 1500W Rate. | 3. The inductance length is close to 8cm, the inductance is 4.8mH, and the wire diameter is used 1.57mm high temperature enameled wire | Advantages and Features: 1. Audio-specific anti-interference high-power high-current high-voltage double 50uF capacitor.Filter treble, midrange and low frequency above 290Hz | 2. The anti-interference 0.22uF capacitor filters the self-excitation and howling in the audio. | 5. The upper limit frequency is about 260Hz~290Hz.

Professional quality LCD Viewfinder loupe designed for video on a DSLR. | The loupe provides an extremely clear,magnified view of the camera LCD, essential when video in daylight conditions. | Magnification Mode provides a 3x view of the LCD via a focusable lens with a comfortable eyecup, simply flip up the eyepiece to switch to standard mode that provides a hooded(from sunlight) direct view of the LCD. The eyecup can be rotated to suit left or right eye .

Product Name: DVD Cleaning Kit;4 in 1 Design: Lens Clean Disc, Brush, Cleaning Fluid | Color: As Picture Show | Brush Size: 10.8 x 2.8 x 2.5cm(L*W*H);Disc Diameter: 12cm | Total Weight: 172g

3. With low profile bracket for 2U case, your of sound card for PC desktop | 1. PCIe sound card, 5.1 stereo audio card | 2. Easily convert the PC into a cinematic entertainment system by providing a 5.1 3D stereo surrounding sound | 4. 16-bit multimedia digital signal editing decoder inside, Supports 32/64-bit audio processing, recording and playback | 5. Supports direct sound, A3D and EAX, HRTF 3D tone. Supports XP / 7 / 10

SLR 5D2 7D 550D 600D movie camera kit long lens holder, the height can be adjusted by 55mm, suitable for all standard tubes with a diameter of 15mm and a tube center distance of 60mm for rail connectors. | type: quick loading system

This software supports 32-bit and 64-bit systems of and above | Automatically install the driver and plug and play | With Windows Hello, users only need to move their fingers to be instantly recognized by new devices running . Windows Hello is not only more convenient than entering a password, but also more secure | In the networked state, after connecting the hardware USB to the PC, the hardware driver will be installed automatically. If the driver is not installed automatically, the hardware driver installation can also be realized through the system update that comes with Windows | Small size, easy to carry and store, low power consumption, universal interface, high reliability, easy to operate