FiiO Portable Headphone Amplifier - E11K

Description
Specification

Beautiful all aluminum alloy body adds both style and increased shielding Pre-amplifier and power amplifier for great layering and frequency extension Fully discrete bass circuit design on bass boost to minimize distortion 1400mAh battery provides up to 16 hours of power and works while charging Low-High gain switch for better control The FiiO E11K Headphone Amplifier is a compact and lightweight headphone amplifier that offers high-quality audio, ideal for portable music devices. The amplifier has standard 3.5mm input and output connectors for compatibility with a variety of MP3 players, CD players, computers, earbuds, headphones, and other devices. It has a heavy-current 3-channel amplified circuit that lowers output impedance. It also provides high efficiency and a low-noise power boost. It provides precise and even sound pressure levels and a wide dynamic range. The convenient volume control uses a closed APLS potentiometer to ensure low noise and excellent channel balance. The amplifier offers 3 levels of bass boost and 2 levels of gain to meet your personal preferences and adapt to different sound sources. There are also high and low voltage options to meet different needs. An auto-lock protective circuit will turn the amplifier off automatically in the event of abnormal activity in order to protect your headphones and minimize the risk of hearing damage. The amplifier operates on a high-performance BL-5B Lithium battery that is easily replaceable. The battery provides approximately 10 hours of operation per charge, allowing you to listen all day. The amplifier has charging and power indicator LEDs to give you a visual cue of operation status. A charge priority function will cease operation while the amplifier is charging. Once the battery has been charged and the amplifier is unplugged, operation resumes. All-new appearance Aluminum-alloy body and chassis to provide shielding from interference and a beautiful design. Visual experience The new E11K is equipped with switches and knobs that are easy to read and operate. Improved sound performance The OPA1642 pre-amplifier serves as the voltage amp while the AD8397 power amp serves as the current amplifier for an elegant balance across all levels. Reinforced battery capacity With a bigger battery, the E11K will ensure for playback for at least 16 hours. Audio Drive Ability: 16~150 Ohms (recommend) THD: 0.004%@1KHz Crosstalk: >/= 72dB (Gain = H) Gain: GAIN = L: GAIN = -3.8dB; GAIN = H: GAIN = 11.7 dB Output Impedance Max. input Level: 92.6 mA Max. output voltage: 8.67 Vp-p Channel Imbalance: Battery Life > 16 hours operating time, Battery Type 1400 mAh Lithium Ion Brand Description FiiO Connectivity Audio Input: 3.5 mm stereo jack Headphone Output: 3.5mm stereo jack Dimensions (WxDxH) 9.1 x 1.3 x 5.6 cm Manufacturer Warranty 1 year exchange Material Brushed Aluminum Model E11K Output Power 270 mW (32 Ohms); 450 mW (16 Ohms) Sensitivity Input Sensitivity: GAIN=L : Sensitivity =2.4V ; GAIN = H: Sensitivity = 0.8 V Signal-To-Noise Ratio >108dB Weight 92g (with battery) Beautiful all aluminum alloy body adds both style and increased shielding Pre-amplifier and power amplifier for great layering and frequency extension Fully discrete bass circuit design on bass boost to minimize distortion 1400mAh battery provides up to 16 hours of power and works while charging... MORE...

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FiiO Portable Headphone Amplifier - E11K

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