The Geek Out 2A model series is a collection of compact DAC and headphone amplifiers that connect to your computer or mobile device through a USB port. Each Geek Out 2A supports full-resolution audio so you can feel closer to your music, no matter the format. It plugs into your computer’s USB port, and replaces its internal sound card with a powerful, ultra high resolution external audio device. Geek Out 2A is 25 times more powerful than the typical computer’s headphone output, and up to 128 times clearer.
Geek Out 2A plays up to 32-bit 384 kHz PCM and up to DSD128 music files, making it the most capable, and most powerful portable audio device on the planet. The Geek Out 2A is available in two models: Geek Out 2A, Geek Out 2A∞,
Geek Out 2A is a portable headphone amplifier and digital to analog converter. It connects to your computer via a USB Type-A interface.
Geek Out 2A∞ The GO2A Infinity comes with THREE Analog Gain Settings – Our Infinity versions feature an extra gain setting at 450mW, perfect for many on-ear headphones. the Infinity model of GO2A comes with THREE Digital Modes – These modes not only change digital filtration settings but also the digital PLL windows of the internal DAC IC and the re-clock jitter removal circuit, along with hardware installed into the DAC.
2 Hz – 55 kHz (-0.1 dB)
Maximum Power Output
User switchable – 1000mW @ 16 Ohms, 100mW @ 16 Ohms
(GO2A∞: Additional 450mW @ 16 Ohms output option)
Maximum Output Voltage
4.0 Vrms (high gain)
Total Harmonic Distortion (THD+N)
(GO2A, GO2A∞: -3dB THD+N additional performance boost)
Signal to Noise Ratio (SNR)
>105 dB unweighted, > 108 A-weighted
USB 2.0 (Asynchronous)Outputs
Dual 1/8”/3.5mm analog stereo (one single-ended TRS, one balanced TRRS)
Output Stage OpAmp
Texas Instruments TPA6120A2
Amplifier Output Bias
Digital-to-Analog Converter IC
PCM Sample Rates Supported
44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz, 352.8 kHz, 384 kHz
DSD Sample Rates Supported
2.8224 MHz, 3.072 MHz, 5.6448 MHz, 6.144 MHzBit Depth Supported
1-bit, 16-bit, 24-bit, 32-bit
T6061 Aluminum chassis
Dimensions (GO2A, GO2A∞)
78mm long, 37.5mm wide, 13mm high, 34 grams
Additional Digital Filter Mode for GO2A∞)
SSM filter for streaming services such as Tidal, Pandora, and Spotify
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