Installation Series

•  21″ Active Subwoofer
•  Nominal LF Amplifier Power LF 1x 2000 W @ 4 ohms
•  Power handling capacity LF (RMS) 1500W
•  Internal DSP module and APNET Apia software via Ethernet
•  Universal mains 85-264Vac
•  Fir-green RAL 6009® Polyurea coating

The Apia C-Infra is a 21” powered subwoofer but also functions as a full-featured integrated audio system with on board DSP, which forges a powered and processed output for creating a wide array of speaker configurations with the Apia Ciwi and Cimi series. With the mounting insert on the upper side for attaching mid-high speakers makes the Cimi and Ciwi series convenient to use and ideal for medium throw applications in theaters, concert halls, disco clubs, lounge bar, restaurants, shopping malls and all other audio/video installations. All C-Infra components are designed by Apia and custom-made under Apia’s quality control.

System data


Frequency response (-5 dB standard) 25Hz -125Hz
Max. sound pressure (1m, free field) 139 dB SPL

Loudspeaker data
Nominal impedance 8 ohms
Power handling capacity LF (RMS/peak 10 ms) 1500 W
Components 1 x21″ driver with ferrite magnet

Dimensions, weight
Dimensions (H x W x D) 756 x 586 x 750 mm
29.7 x 23 x 29.5”
Weight 67 kg
146 lb
Finish Fir-green RAL 6009® Polyurea coating
Cabinet Baltic birch plywood
Protection Rating: IP 44

Nominal LF Amplifier Power 1x 2000 W @ 4Ω
Nominal Processed Satallite Amplifier Power (CIWI and CIMI series) 1x 800 W @ 4Ω
Connectors Analog or Digital input
Input: Female XLR
Loop Thru: Male XLR
AC Input: powerCON
AC Output: powerCON
Remote: rj45 IN/OUT
DSP Share 300mHz 96KHz sample rate
Delay 200 ms
Presets 24 presets
Max input voltage 5 Vrms/+16 dBu (15K impedente)
Software control APNET Network Manager
AC Requirements Universal mains 85-264Vac
Current Draw (1/8 power @ 230 V) 1.8A


Accessories for C-Infra:

•  FIX ROD C-Infra
•  UBRK C-Infra

Downloads / Support
User Manual

Here you can find the Apia's user manual containing all the electronic and physical information about the selected product.

Data Sheet

Download the Datasheet of the selected product for all technical informations

Preset Pack

This zipped Package includes the preset-pack for the QDX-13 Amplifier and preset-pack for other brands of amplifiers.

Others Downloads

Go to document pages where you can download Apia's Cad files, Drawing files, rigging and configuration sheet about all our products.