CE: FiiO E10K USB DAC and Headphone Amplifier (Black) - FiiO
Personal Computer: Creative Sound Blaster Omni Surround 5.1 USB Sound Card with High Performance Headphone Amp and Integrated Beam Forming Microphone - Creative
Musical Instruments: M-Audio Bass Traveler Portable Powered Headphone Amplifier with with Dual Outputs and 2-Level Boost - inMusic Brands Inc.
Receiver or Amplifier: Fiio E07K Andes USB DAC and Portable Headphone Amplifier Black - FIILO
CE: Syba Sonic SD-DAC63057 24bit 96KHz USB 2.0 DAC plus Stereo Headphone Amplifier - Syba
CE: Monoprice 111567 Desktop Headphone Amplifier - Monoprice Inc.
Musical Instruments: Behringer UCA202 Audio Interface - Behringer USA
CE: HIFIMAN EF2A USB Headphone Amplifier - HiFiMAn Electronics
Musical Instruments: Creative Sound Blaster E1 Portable Headphone Amplifier with Integrated Mic and Dual Headphone Jacks for PC and Smartphones - Creative
Car Audio or Theater: TOPPING MK2 Digital Hi-Fi Power Stereo Subwoofer Amplifier 16bit/48kHz USB DAC Headphone Amp - Topping
Musical Instruments: Apogee GROOVE Portable USB DAC and Headphone Amplifier for Mac and PC - Apogee Electronics Corp.
CE: Audioengine D1 24-bit Digital-to-Analog Converter - Audioengine
CE: FiiO Q1 Portable USB DAC and Headphone Amplifier (Black) - FiiO
CE: NuForce uDAC3 Mobile USB DAC and Headphone Amplifier (Black) - NuForce US
CE: Audio-technica USB Headphone Amplifier Corresponding At-ha40usb 24bit/96khz [ Japan Imports ] - audio-technica USB headphone amplifier 24bit/96kHZ corresponding AT-HA40USB
Musical Instruments: SMAKN? X5 PCM2706 + CS4344 + Dual-output Headphone Amplifier TDA1308 Parallel USB Amp - SMAKN
CE: Cambridge Audio DacMagic XS v2 USB DAC and Headphone Amp (Black) - Cambridge Audio
CE: Syba SD-DAC63093 Bass Boosting Portable Headphone Amplifier with Dual Output Standard Packaging - Syba
Receiver or Amplifier: SMSL SD793-II PCM1793 DIR9001 DAC Digital Audio Decoder Amplifier, Black - SMSL
CE: HAAFEE? Portable Audio Amplifier Headphone Earphone Amplifier USB Rechargeable Amps with Bass Switch for Phones, MP3s, Digital Players and Computers - MITO
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