Lehmann Audio Linear USB Headphone Amplifier

PRODUCT SHIPS IN 2-3 BUSINESS DAYS Linear USBComputer and High End audio are no longer a contradiction. Do you have any idea how great your headphones could really sound playing files from your computer Try out the Linear USB now and be surprised!The Linear USB built-in DAC is meticulously built with an integrated Burr Brown DAC and separate voltage regulators of highest quality. The USB connector is only used to transport the signal and not as a power supply. The Linear USB is a high end headphone amplifier that will satisfy even the highest requirements for quality headphone music reproduction. The selectable gain (0 dB, 10 dB, 20 dB) of the Linear USB effectively optimizes the output level of the zero global feedback Class A output stage. Practically all high quality dynamic headphones available will show their best possible performance. Carefully selected top notch components and a highly sophisticated circuit design guarantee top performance listening pleasure. We are happy to proclaim the Lehmannaudio Linear USB as the perfect HD800 partner. Hifi plus magazine Perfect pre-amp for simples stereo setups. For stereo setups consiting of your computer and an additional analog source like a CD player or a turntable with a phono stage the Linear USB is the simplest and most effective active preamp one can think of. You don't even have to care about input switching because the unit detects the USB audio signal automatically! The faceplate and the massive milled aluminium knob for the smooth running 27 mm ALPS high grade volume control are available in anodized black or silver. To get the best out of your headphone from your computer you will have to try the Linear USB. Specs Input impedance 47 kohmsMaximum gain 0 dB, 10 dB, 18 dB, 20 dB selectable via DIP switchesFrequency response 10 Hz (-0.3 dB) to 35 kHz (-1 dB)Signal to noise ratio > 95 dB at gain 0 dBTHD < 0.001 % at 6 mW/300 ohmsChannel separation > 70 dB at 10 kHzOutput power 400 mW/60 ohms200 mW/300 ohmsOutput impedance pre-out 50 ohmsphones out 5 ohmsConnectors audio Neutrik headphone jacks with gold plated contacts1 x pre-out2 x phones outgold plated RCA sockets with teflon insulationPower consumption 10 WOuter dimensions W x D x H 110 mm x 280 mm x 50 mm, 4.3" x 11.0" x 2.0"Weight 1.5 kg, 3.3 lbs Gain selectable 0db, 10dB, 20dBZero global feedback Class-A output stageCompatible with virtually all dynamic headphones>95dB S/N at 0dB gain200mW @ 300 Ohms, 400mw @ 60 OhmsInternal power supplyGold plated connectorsHigh quality USB DACEAN 4250701322369 (Silver)EAN 4250701322345 (Black)