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AmplifiersDACsHeadphone AmplifiersDiscontinued
Estimated price (community-sourced)
$233
Around — community and catalog average, updates slowly
About the EF400
The EF400 is a desktop DAC and headphone amplifier with a fully balanced, four-channel Class AB amplifier and HiFiMAN’s Himalaya R2R DAC architecture. It accepts digital audio through USB-B and USB-C inputs, and provides RCA and balanced XLR line outputs. Front-panel headphone connections include 6.35 mm and 3.5 mm single-ended, 4.4 mm balanced, and four-pin XLR balanced outputs. Its controls offer high- or low-gain operation and NOS or oversampling modes.
Specifications
Type: Desktop DAC/headphone amplifier; DAC: Himalaya R2R; amplifier: fully balanced, four-channel Class AB; maximum output power: 4.4 W per channel; THD+N (line out): 0.002%–0.004%; signal-to-noise ratio: 118 ±3 dB (A-weighted); channel separation: 125 ±3 dB; digital inputs: USB-B, USB-C; headphone outputs: 6.35 mm single-ended, 3.5 mm single-ended, 4.4 mm balanced, four-pin XLR balanced; line outputs: RCA, balanced XLR; dimensions: 246.5 × 228 × 61 mm; weight: 3.08 kg