As one of its daily deals, B&H Photo Video offers the FiiO E18 Kunlun Portable Headphone Amplifier / USB DAC for $74.95 with free shipping. That's $25 under our mention from a week ago and the lowest total price we've seen. (It's also a current low by $25.) Designed for native use with Android devices via microUSB, it can also be used as a USB DAC; it features three playback control buttons, high or low gain, bass boost, an analog volume knob, up to 96kHz/24-bit audio playback, and can be used to charge your smartphone. Deal ends today.