Atom Amp 2

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Atom Amp 2

Housed in an aluminum chassis with an easier to grip knob, featuring both 4.4mm and 6.35mm headphone jacks, failsafe DC protection, and octo-buffers pumping out more than twice the power of Atom Amp+. No noise. Front-mounted controls. Hand matched potentiometers. Custom engravable. Atom Amp 2, your new go-to headphone amp.

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Atom Amp 2

Powerful, clean and elegant.  As usual with JDS Labs, it can be laser engraved free of charge - and comes with a few amenities:



The Atom Amp 2 is housed in an aluminum casing with a non-slip metal knob. The anodized surface can be custom engraved free of charge. Add a text or graphic in the shopping cart.


While most headphones only require milliwatts, the Atom Amp 2's octo buffers achieve over 2.6W per channel of absolutely clean, distortion-free power.


Atom Amp 2 eliminates the need for a separate amplifier and preamplifier. Connect up to two sources and choose between 3.5 mm and RCA inputs at the touch of a button. On the front panel you will find both 6.35 mm and 4.4 mm headphone outputs for your convenience.


By unplugging your headphones from the 1/4" jack, you can use the Atom Amp 2's volume control to adjust the volume of the RCA preamp outputs, allowing you to control the volume of your powered speakers.


The low gain of 1.0x with hand-adjusted potentiometers is well suited for operating efficient IEMs. In combination with the matching 2VRMS Atom DAC 2, the high gain also supplies demanding full-size devices.


The Atom Amp 2 is more than transparent and has the lowest noise floor of any Atom Amp to date thanks to its 4-layer, star-grounded layout and octo buffers.


Frequency Response, 10Hz-20kHz +/- 0.01 dB
SINAD @ 2VRMS, 1kHz (RCA) 120 dB
SINAD @ 50mV, 1kHz (RCA) 93 dB
SNR (20-20kHz) 124 dB
Noise (20-20kHz) 1.33 μV
Crosstalk @ 10kHz -101 dB
Output Impedance 0.7 Ω
Channel Balance +/- 0.56 dB
Max Continuous Power @ 600Ω 143 mW (9.28 VRMS)
Max Continuous Power @ 300Ω 286 mW (9.27 VRMS)
Max Continuous Power @ 150Ω 570 mW (9.25 VRMS)
Max Continuous Power @ 32Ω 2.65 W (9.22 VRMS)


Headphone Output 4.4 and 6.35mm (1/4")
Analog Inputs RCA and 3.5mm
Preamp-Output RCA


Case Dimensions 145 x 131 x 34 mm
Weight  480 g


Dual Gain 1x and 4,7x
Volume Potentiometer Taper 15A, Hand Matched Gangs

Free Laser Engraving

Laser engraving is like printing with a laser printer - black-and-white images will come out pretty much perfect, and the more contrast, the better. Colors will be inverted, so everything white in the original image will be left black on the device, everything black is what the laser will engrave and will turn out white. Example:

This is the original image and then the engraving. It doesn't matter if the image or logo is perfectly centered, JDS Labs will do their best to center it for you. However, it should be "cleaned up" to perfect white where nothing should be engraved:

Here we have the original image, then the inverted color version for engraving, and then the result - notice the grains on top.

But if you have a monochrome image or logo, it will turn out pretty great!

In terms of formats and resolution, please provide either a high resolution .png image (>500ppi) or a .ai or .svg vector drawing. You can either send it to or reply to the order confirmation with an image of your choosing. 

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