Up for consideration is an open box Cayin iHA-6 headphone amp.
The iHA-6 offers multiple connectivity options. Two XLR input jacks for balanced analog input and two RCA inputs for general connectivity. With a quadruple amplifier setup for a powerful balanced output, two separate XLR / TRS combo jacks for each channel and a 4-pin XLR port for balanced audio makes this Amplifier perfect for High-grade and high impedance headphones. You can plug in any power headphone into the dedicated high and low impedance slots. An Alps brand 4-gang volume pot attests to the "true" balanced nature of the design.
The balanced output, however, is quite capable with any headphone you throw at it. And I do mean ANY headphone.
push-pull amplification design with high power ultra-low on-resistance power MOSFET at power amplification stage, offers excellent dynamic performance.
Toshiba audio-grade FET were used in differential input circuit, to ensure common-mode noise and high quality audio performance
Premium grade ALPS 4 channel rotary potentiometer imported from Japan directly, durable, reliable and reputable audio quality.
Extensive protection to amplifier and headphone through comprehensive protection circuit including output DC offset voltage, delay mute when power up, and noise compensation when power down.
In-house designed premium grade toroidal transformer with low magnetic leakage and high power efficiency.
High capacitance filter capacitors were used (in excess of 40000uF)
Solid chassis with aluminum alloy and sand blast finishing, can eliminate exterior interference effectively.
I'll pay shipping to the Lower 48 states
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Item can be returned within 7 days of receipt.
Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.
Buyer will receive a full refund in the original payment method less any shipping charges.