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Troubleshooting
No piezo signal
Make sure that the jack connector 

inside the guitar is connected properly. 

There should be an audible “click“ when 

the ball-ended jack safely sits in the 2.5 

mm plug. It can take a little eff ort.

No mic signal

Please listen carefully fi rst as you may 

just expect way more microphone than 

we provide for good reasons and bare 

in mind: in many cases the reference for 

functionality is including the negative 

bit… we are not proving this range as 

we want to make sure that you can use 

the microphone up to its best.

No output signal

Ensure that the battery still has enough 

charge to operate the system
Ensure that the strap holder on the end-

pin is screwed on tightly. Strap move-

ments sometimes loosen the strap 

holder (although the rubber O-ring 

should prevent this) which may lead to 

a contact fault in the endpin socket.

Terms of warranty

This product is under guarantee for a 
period of two years.

The guarantee covers manufacturing and 

material faults and will only apply if the 

product has been used for the intended 

purpose, under normal conditions.
It does not cover normal wear and tear 

nor any alterations made by the customer. 

We have taken every possible care while 

making and transporting this product. If you 

also take every possible care when using it, 

you will be able to enjoy your product for a 

longer time.
Damage due to anything other than 

manufacturing or material faults will not be 

covered by any form of warranty, but can be 

repaired at a reasonable charge. If you’d like 

to make use of this service, please return the 

product to the retailer where you originally 

purchased the product.
Make sure to clean the product before 

returning it. Unacceptably dirty products 

will not be handled and will be returned 

to sender. 

Products will only be considered for 

guarantee if the bill is enclosed.

This packet contains:

AK

 15 plus 

•   Endpin PreAmp with 

built in microphone

•  Soundhole Control (SHC)

•  2 x Piezo elements

PG 607 for classic guitars

(2.6 x 58 mm)

PG 617 for steelstring guitars

6 or 12 string (2.6 x 55 mm)

•  Battery bag

•   Mounting material

aer music gmbh

Haberstrasse 46

D-42551 Velbert
Phone:  +49 (0) 20 51 60721 –13

Fax:  

+49 (0) 20 51 60721 –78

E-Mail: [email protected]

www.aer-music.de

Technical Specifi cations:

Max. Outut: 

+10 dBV

Ouput Impedance:  < 5 k Ω
Supply Voltage: 

9 V Battery

Supply Current: 

5.8 mA

Design: 

Low Noise Class A/B output stage

 

Low Noise FET input stage

DC-DC Converter

Specifi cations and appearance are subject to change without 

notice. Register at: www.aer-music.de, follow us on 
https://www.facebook.com/AERGermany/

https://www.instagram.com/aer__music/

https://twitter.com/aer_amps

Plug-in endpin to the SHC: take care of the right 

position. The little catch must be at the top side. 

Reviews: