---
title: "Primo Plus"
description: "Streaming DAC with dual mono DAC, digital inputs and volume control."
url: https://help.volumio.com/en/articles/68-primo-plus
collection: "User manuals"
updated: 2026-11-03
language: en
---

# Primo Plus

Streaming DAC with dual mono DAC, digital inputs and volume control.

![Front and rear panels of the Volumio Primo Plus show two knobs, a 100 display, and labeled audio and power connections. Visible: PRIMO PLUS, VOLUMIO, 100, ANALOG OUT, R, L.](https://staticfiles.gleap.io/ghelparticle/wX77Ku7G2DuDf3FKgJFoHU6YrMk0khMTtJt4UBBo5PkB0Rg6BsiIhZJlya3hXhOcygMHYTYovu8.jpg)

Primo Plus is our advanced streaming DAC: a music streamer with a dual mono DAC, digital inputs and built-in volume control. Connect it to your amplifier or active speakers, or directly to a power amplifier, to play music services, your local library, internet radio and your digital sources.

[**Primo Plus** - User manual (EN)](https://heyzine.com/flip-book/44482d6a6f.html)

## Specifications

-   DAC: two ESS Sabre ES9039Q2M in a dual mono layout, with 8 digital filters and switchable NOS mode.
    
-   Playback up to PCM 768 kHz/32 bit and DSD512.
    
-   Ultra-low phase noise master clock (90 fs).
    
-   Balanced XLR output with 8 selectable levels, from 1.0 to 6.3 Vrms.
    
-   Unbalanced RCA output with 8 selectable levels, from 0.5 to 3.15 Vrms.
    
-   Built-in volume control, to drive a power amplifier directly.
    
-   Coaxial and optical S/PDIF inputs up to PCM 192 kHz/24 bit.
    
-   USB-C input up to PCM 768 kHz/32 bit and DSD512.
    
-   USB output for an external USB DAC, up to PCM 1536 kHz/32 bit and DSD1024.
    
-   Front panel with display, volume/mute knob, power/input knob and IR sensor.
    
-   CPU: Broadcom BCM2711, quad-core at 1.5 GHz.
    
-   2 GB RAM and 16 GB of eMMC internal memory.
    
-   Dimensions: 27 × 15 × 5 cm.
    

### Connectivity

-   Gigabit Ethernet, dual-band Wi-Fi (2.4 and 5 GHz) and Bluetooth 5.0.
    
-   Optical (TOSLINK) and coaxial (RCA) digital inputs, for CD players, TVs, BD/DVD players and digital tuners.
    
-   USB-C digital input, for computers, smartphones and tablets.
    
-   2 USB-A ports, for drives, USB DACs, or a keyboard and mouse.
    
-   HDMI output to show the Volumio interface on a TV or monitor, up to 4K/60 fps.
    
-   12V trigger output (3.5 mm jack), to switch your other components on and off together with Primo Plus.
    
-   5V/3A DC power input.
    

### In the box

Primo Plus, Volumio Remoto (battery included), and a 5V/3A power supply with 4 plug adapters (EU, US, UK, AU/NZ).