Project Pre Box S2 Digital Preamp/Headphone Amp/DAC - $200 (san jose south)

Project Pre Box S2 Digital Preamp/Headphone Amp/DAC 1

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Union Avenue near Camden Avenue

google map

condition: excellent

make / manufacturer: Project

model name / number: Pre Box S2 Digital

size / dimensions: 4-13/16"D x 4-1/16"W x 1-1/2" H

delivery available

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For sale for $200 is a Project micro-sized digital stereo preamp with built-in headphone amp and dual DACs, model Pre Box S2 Digital. It has dual mono circuitry with 2 high-performance ESS Sabre DACs (ESS9038Q2M), high-res audio playback, including PCM-based files up to 32-bit/768kHz and DSD512. In addition, it has optical, coaxial and USB Type-B inputs; ¼” headphone and RCA outputs. I purchased it new for $499 on 1/1/2022. The original packaging box is included.
Other specs are:
Output Power: 68mW
Output Impedance (Unbalanced): 32 ohms
Bit Depth (USB): 32
Max Sampling Rate (USB): 768 kHz
Bit Depth (S/PDIF): 24
Max Sampling Rate (S/PDIF): 192 kHz
S/N Ratio (Unbalanced, in dB): 0
Distortion THD (Unbalanced): 0.0003%
Supported File Types:
PCM: Up to 768kHz
DSD: DSD512
DXD: No
MQA: Yes
Wi-Fi: No
Bluetooth: No
Apple-compatible: No
Android-compatible: No
Dimensions: 4-1/16” W x 4-13/16” D x 1-1/2” H
Weight: 0.83 lbs net.

I am located in the Cambrian neighborhood in south San Jose. Prefer local pickup at Cambrian Park Plaza Shopping Center, especially on weekends. Will add freight charges if have to ship. No returns. Accept cash, PayPal (if buyer pays for the PayPal 3.5% fee).

post id: 7951111696

posted: 2026-08-02 12:34

updated: 2026-10-13 05:53

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Project Pre Box S2 Digital Preamp/Headphone Amp/DAC - electronics -...

For sale for $200 is a Project micro-sized digital stereo preamp with built-in headphone amp and dual DACs, model Pre Box S2 Digital. It has dual mono circuitry with 2 high-performance ESS Sabre...