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SR990
CLOSED-BACK STUDIO REFERENCE HEADPHONES
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Safety Precautions
High sound pressure!
Hearing damage risk
Do not listen at high volume levels for long periods
WARNING!
This product is capable of causing permanent damage to your hearing if used at excessive volumes!
To protect your hearing, the Samson SR990 headphones 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.
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 recycling.
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
© 2020 v1.2 Samson Technologies Corp.
disposal.
By doing so you will ensure that your disposed product undergoes the necessary treatment, recovery and
recycling and thus prevent potential negative effects on the environment and human health.
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Introduction
Congratulations on purchasing your new Samson SR990 Closed-Back Studio Reference Headphones! The SR990
Closed-Back Studio Reference Heapdhones have been meticulously designed to provide an accurate and balanced
audio image for music enthusiasts and professionals alike. Ideal for mixing, critical listening, and music playback
the SR990’s offer an extended frequency range with a detailed bass response and ultra-clear mids.
We recommend you record your serial number in the space provided below for future reference.
Serial number: _________________________
Date of purchase: _________________________
With proper care your SR990 headphones will operate trouble free for many years. Should your unit ever require
servicing, a Return Authorization (RA) number must be obtained before shipping your unit to Samson. Without
this number, the unit will not be accepted. Please call Samson at 1-800-3SAMSON (1-800-372-6766) for an RA
number prior to shipping your unit. Please retain the original packing materials and, if possible, return the unit
in the original carton. If you purchased your Samson product outside the United States, please contact your local
distributor for warranty information and service.
Highlights
• Exceptional bass response with clear mids and highs
• Over-ear, closed-back design
• Large 50mm neodymium drivers
• Velour and Protein Leather earpads included
• Adjustable headband
• 20Hz-20kHz frequency response
• 32 Ω Impedance
• 1/4” adapter included
SR990: Closed-Back Studio Reference Headphones
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Specifications
Driver type Dynamic
Type Closed-Back
Driver Unit 50 mm Neodymium magnet
Frequency response 20 Hz - 20 kHz
Impedance 32 Ω
Sensitivity 95dB @ 1kHz/1mW
Connector Gold-plated 1/8” (3.5 mm) stereo mini connector
Clamping Force 5N
Cable 8.25’ (2.5 m) long
Weight 9.52 oz (270 g)
with gold-plated 1/8” (3.5 mm) to 1/4” (6.3 mm)
adapter
Specifications subject to change without notice.
Samson Technologies Corp.
278-B Duffy Ave
Hicksville, NY 11801
www.samsontech.com
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