This device can be used to amplify the signals of audio sources by raising the decibel (db) level. Expo-
sure to sound levels at or above 85dB may cause permanent hearing loss. This device can
produce sounds of more than 115 decibels, a volume that can damage the hearing of a person
exposed to the sound. Do not operate the device at a high volume level. The risk of hearing loss
depends on the sound level and the duration of the exposure. This device can provide a smooth music
experience without the need to raise the volume to an unsafe level. Always follow the manufacture
recommendations of the source audio and your headphones. Lower the volume of the headphone
amplifier each time you power it off and check again before using your headphones. An audible “pop” will
be heard in your headphones when connecting or disconnecting your source audio. Remove headphones
when disconnecting or connecting AMP to your device. Always use caution when increasing the volume of
the headphone amplifier. This device should only be used by adults with sufficient knowledge and
experience with Headphone Amplifiers. Children or persons unfamiliar with decibel level safety should
only use this device under experienced adult supervision.
IP, EN 55032 FCC CFR 47 47 Part 15
Geshelli Labs LLC does not authorize any third party vendor to sell our products.
FCC Part 15/EN 55032 Information
This device has been tested and verified compliant under title 47 part 15 and EN 55032 EU emissions.
The device complies with the limits for Class A device pursuant to part 15 of the FCC rules. These limits
are designed to provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications.
All Intellectual Property of the this product including but not limited to the design, pictures, drawings,
photos, marketing material, description, website, software, parts, logo and brand name is the property of
Geshelli Labs LLC and is protected by State and Federal Laws. You may not infringe or otherwise violate
the rights secured by Geshelli Labs LLC. You as the user/consumer will not modify, reverse engineer,
disassemble or otherwise attempt to copy code, design or logo.
Geshelli® is a registered Trademark of Geshelli Labs LLC
Use the device only as described in this user manual. Improper use may result in personal injury,
hearing loss or property damage. No liability will be assumed for damages resulting from improper
use.
Use only the included power source.
Our units are tested by thermal camera during the QC process. If this device feels hot to the touch,
discontinue use and unplug until it cools. If device overheats it could damage the unit or cause
spark or fire. Always ensure the device has adequate ventilation and air flow. Do not cover this
device with fabric material or anything that could affect air flow. Blocking air flow could affect
performance of the device and could pose a risk or fire or explosion, which could lead to serious
bodily injury, death or damage to the device and/or property.
This device is not sealed and is not waterproof. To reduce the risk of fire or shock, do not allow
liquid to spill on the product or submerge this product in liquid. Always unplug device during a
storm. It is recommended that the buyer use a power surge protection device in conjunction with
our products.
Do not disassemble this device. Opening the device could cause electric shock or render the
device inoperable. Do not unscrew the case fasteners. Removing screws will void the warranty.
The fasteners are small parts that could cause choking harm or death to small children.
This device may have corners that are not rounded. Please ensure proper care when handling this
device to avoid any skin or body damage that could occur with improper handling. This device is
intended to be placed on a stationary object such as a table or stand.
Geshelli Labs LLC will not be responsible or liable for any device which has been modified, altered
or disassembled.
WARNING: This product can expose you to chemicals including Acrylic Acid which is [are] known
to the State of California to cause cancer, and Ethyl acrylate which is [are] known to the State of
California to cause birth defects or other reproductive harm. For more information, go to
www.P65Warnings.ca.gov
WARRANTY/RETURNS
This warranty information only applies to our products sold directly by Geshelli Labs LLC. Geshelli Labs
does not authorize third party vendors to sell our products Please email info@geshelli.com for questions
about our products or to initiate a return. Every Geshelli unit is tested with the APX555 prior to shipment.
We do not use the random select process.
Geshelli Labs LLC will not accept the return of or warranty any product that has been tampered with or
has been altered.
Postage for returns is paid for by the purchaser.
Purchasing through a freight forwarder, third party or pre-owned units is not eligible for return or covered
for warranty.
Within the first 30 days of your purchase, Geshelli Labs LLC will accept return of the product if it meets
the following condition:
· Product must be in original condition with all parts intact and
include power supply
· Item must have been purchased directly from Geshelli Labs.
· Original shipping fees and a 5% processing fee are deducted
from purchase price for all orders. Some products have a 10%
fee which has separate warranty/restrictions.
Limited Warranty-Within the first 31 days to 12 months, if your device fails due to component defect,
Geshelli Labs LLC will repair or replace the defective board. All components must be intact and product
must not be tampered with or show any damage by liquids. After 12 months, covered warranty repairs will
be made free of charge with round trip postage paid by the customer. Liquid damage or using a Linear
Power Supply is not covered under warranty.
We make no warranty regarding any transactions, products or services executed through any third party
vendor or freight forwarder. Geshelli Labs LLC is the manufacturer and all sales are only through the
Geshelli Labs LLC website. The consumer understands and agrees that any transactions through third
party vendors under any other name are conducted entirely at your own risk. Any warranty that is
provided in connection with any offerings or services through a third party is provided solely by the third
party and will not transfer or be honored by Geshelli Labs LLC.
WARNING
Audio Volume WARNING
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