Quick Start Guide
SD251-CL
Studio Monitoring Earphones
V 1.0
! Important Safety Information
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use th is appara tus
near water.
6. Clean only w ith dry c loth.
7. Di sposal of a b attery i nto re
or a hot oven , or mechani cally
crushi ng or cutt ing of a batt ery,
can res ult in an expl osion.
8. Leaving a ba ttery in a n extrem ely
high temperature surrounding
enviro nment can re sult in an
explo sion, or the le akage of
ammable liquid or gas.
9. A batte ry subje cted to ex tremely
low air pr essure may r esult in
an expl osion or the l eakage of
ammable liquid or gas.
10. Do not dis assembl e or modif y
this product.
11. Do n ot replace a b attery. It c an
defeat a safeguard.
12. Plea se store thi s produc t in a
clean and dry environment.
13. Charg e it once a mon th
(minimum).
14. Do not le ave unatte nded
while charging.
15. WARNING! Choking and
Swallow ing Hazard . Keep the
produc t safely o ut of reach o f
childr en and pets . The small si ze
and the in ternal bat tery pre sent a
choking and swallowing hazard.
Failure to follow instructions
may lead to permanent damage
or death.
16. WARNING! To prevent p ossible
hearin g damage, do no t listen
at high vo lume levels f or long
periods.
LEGAL DISCLAIMER
Music Trib e accepts n o liabilit y for any lo ss which may b e suere d by any
person who relies either wholly or in part upon any description, photograph,
or statement contained herein. Technical specications, appearances and other
infor mation are s ubject t o change wi thout not ice. All tra demarks a re the prop erty
of their respective owners. Midas, Klark Teknik, Lab Gruppen, Lake, Tannoy,
Turbosound, TC Electronic, TC Helicon, Behringer, Bugera, Auratone and Coolaudio
are trademarks or registered trademarks of Music Tribe Global Brands Ltd.
© Music Trib e Global Br ands Ltd. 202 0 All right s reserv ed.
LIMITED WARRANTY
For the applicable warranty terms and conditions and additional information
regarding Music Tribe’s Limited Warranty, please see complete details online at
musictribe.com/warranty.
Accessories List
• SD251- CL earphon es x 1 pair
• Zipper case
• Sili cone sleev es in 3 sizes
• 6.3 m m adapter (fo r 3.5 mm plug)
• Cleaning tool
• This quick start guide
Features
• Professional studio-grade monitoring earphones
• Dy namic micr o-drive r provide s wide freq uency res ponse (20 Hz - 20 k Hz)
delivering full bass and detailed highs
• Sound-isolating design blocks outside noise for detailed musical
experience
• Sec ure, over-th e-ear ca ble design e nsures in -ear stab ility and c omfort
• Opt imized per forman ce with exce ptional s ound quali ty for use w ith a
wide range of audio devices
• 63 inc h (160 cm) detac hable cabl e with 360 -degree r otating g old-plat ed
MMCX loc k-snap conn ector fo r exibil ity and ver satile co nnectiv ity
options
• Zip per case in cluded to en joy your mus ic on-the- go
• Inc ludes foa m and silicon e ear-plugs i n 3 sizes to ens ure a perf ect t
Getting Started
Wearing, inserting and removing the earphones
1. These ea rphones s hould be wor n with the c ables rout ed over the ea r.
Then, th e cables ca n be run to your m onitori ng system e ither in fr ont or
behind , s imilar to thi s illustr ation:
2. Insert e ach earph one so makes a t ight seal in t he ear canal . A good seal wi th
the ear ca nal is neces sary fo r optimum so und qualit y, especia lly for
bass frequencies.
3. If you noti ce a loss of bas s frequen cies, gent ly push the e arphone de eper
Nozzle
Nozzle Cleaning Tool
into the e ar canal to pr oduce a bet ter seal. If t his adjust ment does n ot
improve t he bass res ponse, you c an also swi tch to a dier ent sleeve .
WARNING: Avoid pushi ng the earp hone in beyo nd the ear can al.
4. To remove the ea rphones , rmly hol d each earph one’s outer c ase betw een
your ng er and thumb a nd twist g ently.
Choosing, installing and changing sleeves
SD Serie s earphon es come wit h a selecti on of soft s leeves in th ree sizes,
from sm all to large
WARNING: Always mak e sure to prote ct your ea rs by muting o r lowering y our
monito ring sys tem’s volume do wn all the way b efore ins erting th e earphon es.
1. Choose a n earphon e sleeve wit h the best t a nd the bes t seal to isol ate your
earphone mix from outside sounds.
2. Slide the sl eeve onto ea ch earpho ne’s sound noz zle. Appl y light pres sure,
and if nec essary r otate the sl eeve as you go u ntil secu re.
3. Make sure th e sleeve com pletely co vers the noz zle and the ared barb.
4. Try inser ting the ea rphone int o your ear can al to test th e t.
5. If the t is to o loose or ti ght, twis t and pull to re move the sle eve from th e
nozzle a nd replace w ith a sleeve i n the next a ppropri ate size.
NOTE: If the ba rb or nozzl e is expose d beneath t he sleeve, th e sleeve is no t
insta lled prope rly. Sleeve s that do not t s ecurely o ver the nozz le and barb
should be replaced.
Cleaning
1. If you not ice proble ms with sou nd qualit y not relate d to the t insi de
the ear ca nal, remove t he sleeve an d check the e arphone no zzle for
obstructions.
2. If the noz zle is blocke d, use the in cluded cle aning tool t o clear the b lock.
3. Replace th e sleeve ont o the nozzl e, and re-in sert the e arphones i nto
your ear to t est the sou nd.
Maintenance tips
• Keep the earphones and sleeves clean and dry.
• To clea n, remove the s leeves fr om the earp hone nozzl e, gently ri nse
in warm wa ter and allow t o air dry. Sle eves shoul d be complet ely
dry before
• Ins pect slee ves for dama ge and repla ce as neces sary.
• Avoid exposing the sleeves to extreme temperatures.
• Rep lace sleeve s that do not t p roperly.
Specications
Driver 6.8 mm
Impedance 22 Ω
Frequency responsew 20 Hz to 20 kHz
Sound pressure level (SPL) 93 dB @ 1 kHz (105 dB pe ak)
Rated po wer 3 mW
Peak power 5 mW
Connector MMCX connector, detachable
Cable 1.6 m (63")
Plug 3.5 mm, ste reo
Adapter 6.3 mm, go ld plated
Other important information
Register online. Please register your new Music Tribe equipment right after
you purchase it by visiting behringer.com. Registering your purchase using
our simp le online fo rm helps us to p rocess yo ur repair cl aims more qu ickly and
ecien tly. Also, rea d the terms an d conditi ons of our war ranty, if ap plicable .
Malfunction. Shoul d your Music Tri be Authori zed Resel ler not be loc ated
in your vi cinity, you m ay contac t the Music Trib e Authori zed Fullle r for your
country listed under “Support” at behringer.com. Should your country not be
listed , please che ck if your pr oblem can b e dealt wit h by our “Onlin e Suppor t”
which ma y also be foun d under “Sup port ” at behring er.com. Alter nativel y,
please submit an online warranty claim at behringer.com BEFORE returning
the product.