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HeadAmp Pico Power Portable Headphone Amplifier

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Video review of the Pico Power by phototristan

The HeadAmp Pico power stands among the most powerful portable headphone amps on the market, with 18V of power on tap and a discrete output stage, it can stand up to even the toughest headphone loads.  The Pico Power boasts an output impedance of on 0.2ohm, lower than many desktop headphone amplifiers, meaning that it can drive and control all headphone types with authority. The three-way gain switch allows the Pico Power to adapt to the voltage needs of everything from high-sensitivty in-ear monitors to high-impedance studio headphones (300-600 ohm models).

The dual user-replaceable 9v battery system of the Pico Power is versatile, allowing for the use of easy to find alkaline batteries, environmentally-friendly rechargeable cells, or super-long-life lithium batteries. The Pico Power chassis is precisely milled from a solid block of alumnium, giving the amplifier an extremely solid build to weather years of use.

The Pico Power includes two 9v alkaline batteries, and a protective leather amplifier case.

We recommend the EBL 840 9V Rechargeable Batteries for the Pico Power.  Sold separately, click here to buy on Amazon.com.

Our Take


The Pico Power is our statement portable amplifier, with sound quality first and foremost, and it delivers the power you would expect from a desktop amplifier.  Even difficult headphones like the Sennheiser HD800 series and Hifiman HE series are driven with aplomb, thank to the Pico Power's high voltage and discrete output circuitry.  The versatile battery power keeps the background jet-black, ensuring a smooth listening session every time you pick up the amp.  If you travel with, or just need a small footprint headphone amp for your full-size, high-end headphones, the Pico Power is a great solution. That it also works extremely well in low-gain mode with in-ear monitors and portable headphones just rounds out its' versatility.  Without question, the Pico Power is a portable headphone amp that would serve any enthusiast extremely well.

About HeadAmp

HeadAmp builds some of the world's best headphone amplifiers like our famous Blue Hawaii SE or our new compact GS-X mini. All of our solid state amps start with new-old-stock Japanese sand which are irreplaceable for discrete solid state designs.