AudioPressBox APB-320 C-D-USB Dante USB C Pressbox


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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



Spec Sheet


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