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5/5 of 5 reviews
APB-320 C-D-USB cover photo

AudioPressBox APB-320 C-D-USB

Professional portable, active, press box with 2 Analog Mic/Line inputs, 1 Dante input, 1 Digital USB-C input & output. 16 Analog XLR Mic/Line & 4 Digital USB-C outputs. Phones out. It is suitable for both indoor and outdoor press conferences due to built-in rechargeable accu pack and heavy duty Nanuk case. The USB-C also allows a video conference in & out connection for a hybrid press conference.

  • 2 Analog MIC (phantom power) / LINE inputs – balanced with gain control and 26dB PAD
  • 1 Channel DANTE Input - RJ45 ethercon
  • 1 Digital USB-C input & output
  • 16 Analog XLR balanced and individually transformer isolated outputs
  • XLR outputs are switchable between MIC or LINE output level
  • 4 Digital USB-C outputs
  • Built-in Compressor and Limiter for Analog (XLR) inputs
  • Phones out
  • Li-Ion AccuPack with microprocessor controlled battery management
  • 20 hours battery operation time. Note: AccuPack is placed (built-in) inside the unit
  • On unit printed QR code for online access to manual, user guide and video guide

USB-C inputs & outputs



Rechargeable accu pack - 20 hours

Individually transformer isolated outputs

Mic/Line inputs and Mic/Line outputs

IP 67 waterproof case

Phones out

Case Colour Variants







Default colour of the case is BLACK. If you wish to order it in different colour please specify that in order.

APB-320 C-D-USB Ecosystem

* For iPhone and iPad with lightning connector Apple Lightning to USB 3 Camera Adapter is needed together with a USB-A to USB-C cable.

Dante Controller




Audio Press Box APB-320 C-D-USB
Type 3 in 20 out
Groups 1
Input section
Inputs 2 analog, 1 Dante, 1 USB-C
Analog Inputs
Input connectors Balanced, XLR
Input Gain Mic: +22/ +62dB Line: -4/ +36dB
Max. input level Mic: -10/ -30dBu Line: +36/ -4dBu
Phantom Voltage 48V
Input Impedance Mic: 2,4 kΩ Line: 3,5 kΩ
Digital Input/ Output
USB Input
Input connector USB Type C
Compliant USB Specificaion USB 2.0
Input Gain -∞/ +6 dB
Supported Sampling Rates 32kHz, 44.1kHz, 48kHz
Bit Depth 16-Bit
Interface Powering: Bus Powered*
Charging capability: No
Dante Input
Number of channels 1
Input connectors RJ45 - Dante
PoE Requirement No
Reference level -18dBFS
Output section
Analog Outputs
Headphone output JACK 6,3mm
Outputs 16 Analog with Line/ MIC level, 4 Digital
Output connectors Balanced, XLR
Nominal Output Level +6dBu
Maximum Output Level +20dBu (no load) +14dBu (600Ω)
Output impedance Mic: 220Ω Line: 600Ω
Transformer isolated outputs Yes (each output)
SNR 86dB
Frequency Response 120Hz to 30kHz/ -3dB
Digital Outputs
Output connector USB Type C
Compliant USB Specification USB 2.0
Supported Sampling Rates 8kHz, 11.025kHz, 16kHz, 22.05kHz, 32kHz, 44.1kHz, 48kHz
Bit Depth: 16-Bit
Interface Powering: Bus powered*
Charging capability: No
Input section 26dB PAD, Input gain, Phantom, Analog/ Dante switch
Output section Phones level, Power switch, Output PAD
Input section Phantom power, Input level, Dante Input
Power Supply 24V DC, 1A external adaptor
Battery Li-Ion, 14,4V 2200mAh
Battery operation time up to 14 hours
Dimensions (WxHxD) 370x 120x 300mm
Weight 5100 g

*USB Interface is powered from connected USB host device

Block diagram

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* = benötigte Felder