Pro-Ject Pre Box S2 Analogue
Image source — © Pro-Ject
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Model name
Pre Box S2 Analogue
Analog inputs (balanced)
N/A
Analog inputs (single-ended)
2
Analog outputs (balanced)
N/A
Analog outputs (single-ended)
1
Gain (dBu)
8.5
Input sensitivity (mV)
N/A
Output voltage (V)
N/A
Input impedance (balanced) (Ω)
N/A
Input impedance (single-ended) (Ω)
15 000
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
Maximum output level (balanced) (dBu)
N/A
Maximum output level (single-ended) (dBu)
N/A
Volume control range (dBu)
N/A
Frequency response low +/- 3dB (Hz)
20
Frequency response high +/- 3dB (Hz)
40 000
Signal to Noise Ratio (SNR, unweighted) (dB)
100
Total Harmonic Distortion + Noise (THD+N) (%)
0.0005
Dimensions (mm)
103 x 36 x 120
Weight (kg)
0.405
Official link
This device, made in a compact metal case, combines the functions of a preamp, headphone amplifier and DAC with support for all the latest audio formats. The Pro-Ject Pre Box RS2 Digital is equipped with all types of digital inputs, including a USB type B port with the ability to receive PCM signals with parameters up to 32 bits / 768 kHz, as well as DSD512.
The new Pro-Ject Pre Box S2 Digital Edition 2023 is based on the audiophile ESS Sabre ESS9038Q2M DAC chip and is designed in a dual mono concept. The component is capable of decoding digital PCM streams with a resolution of up to 32 bits/768 kHz and DSD up to DSD512. The MQA format is also familiar.