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发表于 2013-1-10 10:10:31
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GSI E7-AB USB DAC And Portable Headphone Amplifier - USB Sound Card With Volume Control And LC Display - For Computers, Laptops, MP3 Player And Standard Audio Music Devices
Product Features- Provides analog and digital input and output for high-quality listening
- Offers USB audio decoding and output for PC, functioning as an external USB sound card
- Standard 3.5mm line input for compatibility with a variety of music players, laptops, and other devices
- A pair of 3.5mm outputs let you connect 2 pairs of headphones or earbuds simultaneously
- The digital volume control offers excellent precision and balance. There is also a built-in EQ that provides 3 levels of Bass Boost
Product DescriptionThe E7-AB USB DAC Headphone Amplifier from GSI is a compact headphone amplifier that provides analog and digital input and output for high-quality listening. It offers USB audio decoding and output for PC, functioning as an external USB sound card. It has a USB receiver from Texas Instruments, a Wolfson digital-to-analog converter, and an ADI amplifier to offer exceptional audio quality with low distortion and strong output. The amplifier has a standard 3.5mm line input for compatibility with a variety of music players, laptops, and other devices. It also has a pair of 3.5mm outputs so you can connect 2 pairs of headphones or earbuds simultaneously. The amp has a digital volume control for excellent precision and balance. There is also a built-in EQ that provides 3 levels of Bass Boost. The E7-AB has an anodized aluminum satin finish case for looks, durability, and minimal weight. It also has a display for clear readouts. The integrated rechargeable Li-ion battery provides up to 80 hours of continuous operation so you can listen for days without recharging. The amplifier has a number of user-selectable functions, including a selectable USB charging function to prolong battery life, as well as a definable startup volume memory and maximum volume limiter to help prevent hearing damage due to loud volume levels. There is an automatic keylock feature to prevent accidental changes, plus a sleep timer function that's ideal for use at night.
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