How I can install it ?

From main or aux output on mixer, to input of one of the two channels on Dbx2. outputs of Dbx2, to power amp or powered speaker. If mixer has aux insert, you can plug into that. My mixer doesn’t have inserts, so I connect it the first way.

How to turn power off for this product? There is no switch or instruction

Our system is powered through a power conditioner. I turn it on and off with the rest of the system via the switch on the power conditioner. They may not have a power switch to keep it from being accidentally turned off during use, which could have disastrous consequences for the rest of your gear and everyone's ears. Great unit though. Have had no problems with feedback during church services since installing it. I highly recommend it.

Can you output from channel one to channel two to thus have 48 filters in mono?

The question is why? You should be able to do what is necessary with the 24 per channel. I don't believe the item can be used as you describe.

How do I set it with dbx eq 2231 and yamaha mixer?

You would daisy chain them. I would go from mixer to EQ to AFS2.

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dbx AFS2 Advanced Feedback Suppression Processor

dbx AFS2 Advanced Feedback Suppression Processor

Product ID: 741482978

Details

Brand
DBX
Colour
Black
Item Weight
2.04 kg
Voltage
9 Volts
Amperage
300 Milliamps

💡Bright, interactive LCD display

📊24 programmable filters per channel

🔌XLR & 1/4” TRS pro audio connections

Description

🎤 Silence the feedback, amplify your control.

INTUITIVE SETUP WIZARD - Step-by-step feedback suppression wizard makes setup effortless, even for non-techies.
SEAMLESS PRO INTEGRATION - Dual XLR and 1/4” TRS inputs ensure compatibility with any professional audio rig.
PRECISION FEEDBACK CONTROL - 24 filters per channel deliver surgical feedback elimination for crystal-clear sound.
REAL TIME SIGNAL MONITORING - Five-segment LED meters plus clip indicators keep your input levels perfectly in check.
SLEEK USER FRIENDLY INTERFACE - Bright, legible LCD display lets you navigate and tweak settings with confidence.

The dbx AFS2 Advanced Feedback Suppression Processor is a professional-grade audio tool designed to eliminate live sound feedback with precision. Featuring 24 programmable filters per channel, dual XLR and 1/4” TRS inputs, and an intuitive LCD display with a setup wizard, it ensures seamless integration and effortless control for live sound engineers. Lightweight and compact, it delivers transparent sound quality and real-time signal monitoring, making it an essential upgrade for any serious audio rig.

Specifications

ASIN	B00RM4REH4
Amperage	300 Milliamps
Brand	DBX
Brand Name	DBX
Colour	Black
Connector Type	XLR and 1/4” TRS
Controls Type	Knob
Customer Reviews	4.1 out of 5 stars 66 Reviews
Global Trade Identification Number	00691991401510
Hardware Interface	1/4-inch Audio
Item Dimensions	48.3 x 48.3 x 3.8 Centimeters
Item Type Name	dbx AFS2 Advanced Feedback Suppression® Processor with Full LCD Display
Item Weight	4.5 Pounds
Manufacturer	Harman Music Group
Manufacturer Part Number	AFS2
Model Name	AFS2
Model Number	AFS2
Set Name	1
Signal Format	Analog
UPC	691991401510 714573523698 700315920092
Voltage	9 Volts

Reviews

K**S

Five stars

19.02.2019

N**N

Total Control of feedback

23.06.2020

G**D

It works very well.

22.05.2018

B**Z

Good problem solver for lack-of-soundmanitis

14.06.2020

K**1

Keeps the howling at bay.

14.06.2019

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