The EUROLIVE <strong>VP1800S</strong> subwoofer is exactly what you've come to expect from Behringer - 1,600-Watt power handling capacity, more features and absolutely more affordable! And thanks to the extremely powerful, long-excursion 18" Low-Frequency (LF) driver in a tuned enclosure, the VP1800S provides rich, tight bass all the way down to 35 Hz - enough to shake the house right down to its foundation. The VP1800S is destined to become a legend in its own right, alongside the other EUROLIVE models that have made Behringer the world leader in subwoofers and loudspeakers.</p><p>Behringer's LF transducers are designed specifically for each application - it's what sets them apart from the competition. When you buy a Behringer loudspeaker, you can rest assured that the transducers inside have been engineered to perform flawlessly in conjunction with every other element for truly professional results. The EUROLIVE VP1800S cranks out massive quantities of rich and thunderous low end.</p><p>The VP1800S 18" subwoofer really packs a big punch and can handle up to 1,600 Watts. Recessed handles and ultra-light weight make them easy to lift and transport, and the EUROLIVE VP1800S sounds great - and is supremely affordable. Capable of extremely high sound pressure levels: 100 dB (Half Space, 1 W @ 1 m), the VP1800S provides a 35 - 250 Hz frequency range. A standard 35 mm (1.375") pole socket is provided for pole-mounting your full-range loudspeakers - or you can set them atop the VP1800S, depending on your application.</p><p>The EUROLIVE VP1800S stands head and shoulders above the rest and delivers exceptional performance, even when pushed to the limit. Lightweight and powerful, with custom-designed transducers, massive power handling and extreme portability, the VP1800S subwoofer is ideal for any music application - at a price that is unheard of in this class.</p>
The Steren <b>BL-526-108</b> Optical Power Meter is small, light and easy to carry with a large LCD screen. It can be widely used in the test of LAN, WAN metropolitan network. It can be used to test Fiber loss accurately, check the Fiber continuity and help to evaluate the transmission quality of Fiber chain with the laser source.<br /> <br />The tester checks the Optical Power within the range of 800 ~ 1700nm wavelength, with the unit as nW, ?W, mW, dB, dBm, its display resolution level and test accuracy are high. There are six kinds of wavelength calibration points: 850nm, 1300nm, 1310nm, 1490nm, 1550nm, and 1625nm. It can be used for linearity and non-linearity testing and displays both direct and relative test of Optical Power.</p><p>Steren Electronics Optical Power Meter is designed to provide the field technician with the right set of measurements, in an easy to read pass/fail format. It is used to test Fiber loss accurately, check Fiber continuity and helps to evaluate the transmission quality of Fiber chain with the laser source.</p><p>Save time and money by eliminating future truck rolls and customer service complaints. Technicians can use this device to verify the passive fiber jumper quality and functionality on the first visit.<br /></p><p>A technician can power-up and connect, using the included set of adaptors, the new Optical Power Meter Tester effortlessly. Within minutes,a technician can use this tester to verify a new jumper or troubleshoot a problem in an existing installation.</p>