Samson QH4 4-Channel Headphone Amplifier - Manual (Page 2)

WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COV-
ER (OR BACK) AS THERE ARE NO USER-SERVICEABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED SERVICE PERSONNEL.
This lightning flash with arrowhead symbol within an equilateral triangle
is intended to alert the user to the presence of non-insulated “dangerous
voltage” within the product’s enclosure that may be of sufficient magni-
tude to constitute a risk of electric shock.
The exclamation point within an equilateral triangle is intended to alert
the user to the presence of important operating and maintenance in-
structions in the literature accompanying the appliance.
AVIS
RISQUE DE CHOC ÉLECTRONIQUE -
NE PAS OUVRIR
If you want to dispose this product, do not mix it with general household
waste. There is a separate collection system for used electronic products in
accordance with legislation that requires proper treatment, recovery and recy-
cling. Private household in the 28 member states of the EU, in Switzerland
and Norway may return their used electronic products free of charge to designated
collection facilities or to a retailer (if you purchase a similar new one). For Countries
not mentioned above, please contact your local authorities for a correct method of
disposal. By doing so you will ensure that your disposed product undergoes the neces-
sary treatment, recovery and recycling and thus prevent potential negative effects on
the environment and human health.
FCC Notice
1. This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) This device may not cause harmful interference.
(2) This device must accept any interference received, including interference that
may cause undesired operation.
2. Changes or modifications not expressly approved by the party responsible for com-
pliance could void the user’s authority to operate the equipment.
Important Safety Information
This product is capable of causing permanent damage to your hearing if used at
excessive volumes!
To protect your hearing, the QH4 should always be used at as low a volume as
possible. We recommend that you stringently follow the guidelines established by the
U.S. Occupational Safety Health Administration (OSHA) regarding maximum time
exposure at various sound pressure levels:
• Don’t use this product for more than 8 hours at 90 dB SPL
• Don’t use this product for more than 4 hours at 95 dB SPL
• Don’t use this product for more than 2 hours at 100 dB SPL
• Don’t use this product for more than 1 hour at 105 dB SPL
• Don’t use this product for more than 1/2 hour at 110 dB SPL
• Don’t use this product for more than 15 minutes at 115 dB SPL
• Don’t operate at listening levels of greater than 120 dB SPL!
Pay attention to what your ears are telling you! Ringing is a sign that you have set
the gain levels too high and that damage may result. We recommend that you consult
with a qualified audiologist if you exhibit ringing or any other symptoms!
Disconnection from the MAINS: The direct plug-in adapter is used as disconnect
device, the disconnect device shall remain readily operable.
Hereby, Samson Technologies Corp., declares that this QH4 is in compliance with
the essential requirements and other relevant provisions of Directive 2014/30/EU.
The declaration of conformity may be consulted at:
http://www.samsontech.com/site_media/support/manuals/QH4_DOC.pdf