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Microlab Electronics Co., Ltd
Made in China
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B58
User Manual
Multimedia Speaker System
Prior to i nitia l use, pleas e read the man ual carefu lly
Technical Information
Amplifier
Total Power: 7 Watt R MS
Powe r distr ibuti on: 3.5 Wat t x 2
Har monic d istor tion: < 1 % 1 W 1 kHz
Freq uency respon se: 80 H z - 20 kHz
Sig nal/N oise ratio : > 75 dB
English
2
Sep arati on: > 45 dB
Speakers
Twee ter dri ver type: 1”
Twee ter impeda nce: 4 Ohm
Mid-range spe aker ty pe: 3”
Mid-range spe aker im pedan ce: 4 Ohm
Interfaces
Out put: 3.5 m m stereo jac k for headph ones
Inp ut: 3.5 mm s tereo jack for auxil iary audi o input, 3.5 m m stereo plu g
Frequently Asked Questions (FAQ)
Questions Answers
Bookshelf speakers are ideal for most multimedia
What are these speakers ideal
for?
1
No Sound
Intermittent sound
Static sound heard when volume
knob is turned
applications with full-range sound reproduction capabilities
Built with full-range drivers, it is efficient
in handling sound from movies, music, games and CD.
Check of the audio source is working well.
Check if the audio and speaker cables are well connected.
Ensure volume is correctly adjusted
Check the 3.5mm jack and plug for proper connection
and cable is firmly inserted
Turn off the playback source first, then turn the speaker
volume knob several times. Playback again and monitor.
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What are the products
supported?
Sound is distorted
If the problem still exists, please contact the distributor or ask for professional service
© 201 3 Micro lab Ele ctron ics Co., L td All ri ghts re serve d.
Any playbac k devic es such a s PC, no tebook, C D/DV D playe r
wit h stereo sou nd outp uts, Me dia Players wit h 3.5mm
ste reo jack or pl ug.
Check if the volume is at lower level and the Mp3
format is recorded at above 196 bitrate
- The en d -
dangerous voltage or other hazards. Re fer all servicing to qualif ied service pe rsonnel.
20. Ple ase remove the power plug for m the main power source or wall power source wh en not in use. When plugged
in to a power source, the system is in standby m ode, so the power is not entirely cut off.
21. Rep lacement parts - When repla cement parts a re required, ensure the ser vice technician has used re placement
parts specified by the manufacturer or h ave the same characteristics as the origi nal part. Unauthorized
substitutions may result in fire, elec tric shock or other hazards.
22. Mai ns fuses - For continued prot ection again st fire hazard, use fuses onl y of the correct t ype and rating. The
correct fus e specification for each vo ltage range is marked on the product.
23. Do no t turn up the volume while list ening to a secti on with very low level inputs o r no audio signals. If you do, the
speaker may be damaged when a peak level sec tion is suddenly played.
24. The o nly means of completely dis connecting the product from the power sup ply is by removing the power cord
from the wall outlet or the product. The wall outlet or the pow er cord entry to the product mu st remain free ly
accessible at all times while the produc t is in use.
25. Try to install the prod uct near a wall so cket or extension cord and sh all be easily accessible.
26. The h ighest environmental te mperature su itable for this product is 40 °C.
Introduction
Affordabl e pair of s tereo spea kers for your lei sure listenin g pleas ure. Books helf ty pe desi gned for eas y
pla cemen t on shel ves, desks, or any tabletops. This s ystem reproduce so und eas ily wit h its bui lt-in
amp lifie r that dr ives the spe akers w ith eas e. It’s fu ll-ra nge spe aker dr ivers provide for bo th high a nd
low f requenci es found in mo st musi c.
Ide al for digit al musi c enjoymen t from your digit al musi c player, such as Smartph one, Table t, CD/ DVD
pla yer, and P C/Notebook .
Eac h speak er cabi net com es with q ualit y 1” tweete r and 3” midrang e woofer driver for wi de soun d
rep roduc tion. The cab inet is m ade from qua lity ma teria l to abso rb unwanted vib rations th at caus es
noi ses tha t distort the or igina l sound. Additi onall y, each ca binet i s also bu ilt wit h bass refle x port fo r
dee per voc als and b ass effect .
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Comes wi th side c ontrol pan el for easy volum e level adju stmen t and aux iliar y conne ctions.
Connec ts easily to any media pla yer, PC/notebook o r TV wit h 3.5 mm stereo plu g. Featu res a stereo
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3.5 m m jack for hea dphon es conn ectio n and ano ther ja ck for au xilia ry audio input .
Features
Quality bo okshe lf stereo sp eaker s
Full-rang e sound reprodu ction f or wide r ange of m usic ty pes
Stu rdy cab inet de sign for cle arer sound a nd mini mum dis torti on
Con nects to media player wi th 3.5 mm s tereo jack or plu g
Ide al for ca sual li steni ng
Eas y and qui ck to set up and us e
Quality 3” mid -rang e speak er driv er
Sid e panel f or easy a ccess with volu me adju stmen t and connec tions
Package contents
B58 speakers 2 pcs
User manual 1pc
Func ti on Instruct io n
Illustrations
Front view
Right speakerLeft speaker
Side panel
Rear panel
Headphones
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Rig ht spea ker
Connections
Gaming
TV
devices
Media
player
AC IN
Mp3 \ Mp4
Media player
CD\ VCD \ DVD
Blu-Ray player
Auxiliary
connection
from media
player
3.5mm stereo
connection
Rig ht spea ker
Lef t speak er
PC or Notebook
Tablet
Smartphone
to AC
power supply
Connections
1. The Left sp eaker i s conne cted di rectl y to the Right speake r. The Right spe aker is a lso known as the
mai n speak er as the a mplif ier is bu ilt in it .
2. Plac e both bo okshe lf spea kers on extreme sides of t he list ening p ositi on.
3. Conn ect the a ttach ed 3.5 mm s tereo plug t o the med ia playbac k source.
4. Alte rnati vely, you can conn ect any m edia pl ayer to the 3.5 mm AU X input jac k located at t he side
pan el. The sound reprodu ction will now be directed through t his inp ut jack .
5. The ma in / righ t speak er shou ld be pla ced near a power so urce and nea r the playba ck devi ce such as
CD/DVD, M p3/Mp4 player or TV.
6. Nex t, conn ect the powe r cable t o the AC power sup ply sou rce. Ple ase ens ure the A C power s upply
mat ch the power requiremen t print ed at the rear pane l.
7. Alt ernat ively, you can con nect a pa ir of hea dphon es to the 3 .5mm st ereo jack on t he side o f the
mai n speak er. This will mu te the main sy stem sound a nd redi rect th e audio to the h eadph ones.
Operations
1. Ensu re the ma ster volume is at t he lowest se tting.
2. Turn on t he main AC po wer.
3. Turn th e volum e knob to p ower on the sp eaker s ystem.
4. The power L ED wil l illum inate i n green colour.
5. Star t the playback d evice a nd song.
6. Adjust t he volu me on the m edia player, and spea ker mas ter volume to your pre ferred listen ing
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lev el.
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Ideal listening position
and placement
FL - f ront lef t
FR - f ront rig ht
Important Safety Instructions
Caution:
To reduce the risk of electric shock, do not dismantle the product and do not expose the apparatus to rain or moisture. No
user-serviceable parts inside. Refer servicing to qualified personnel only.
Explanation of Graphical Symbols:
The lightning flash within an equilateral triangle is intended to alert you to the presence of uninsulated dangerous voltage
within the product's enclosure that may be of sufficient magnitude to constitute an electric shock to a person or persons.
The exclamation point within an equilateral triangle is intended to alert you to the presence of important operating and
maintenance (servicing) instructions in the literature accompanying the product.
WARNINGS:
1. Read Instructions - All the s afety and operating instructions must b e read before the product is operated.
2. Retain Instructio ns - The safety and o perating ins tructions should be kept pr oduct for futu re reference.
3. Heed warnings - All warni ngs on the product and in the operating instr uctions should be adhered t o.
4. Follow ins tructions - All operating and users’ instructions should be fol lowed.
5. Insta llation - Inst all in accordance with the ma nufacturer's instructions.
6. Power s ources - This pro duct should be operated onl y from the type of p ower source indicated by th e marking
adjacent to the power cord entry. If you are not sure of the type of powe r supply to your home, consult your product
dealer or local power comp any.
7. Grounding or polari zation - the pro duct is not required to be grou nded. Ensure t he plug is fully inserted int o the
wall outlet or extension cord receptac le to prevent blade or pin expo sure. Some ver sions of the product are
equipped with a power cord f itted with a pol arized alternating line p lug (a plug havi ng one blade wide than the
other). This p lug will fit onto the power outlet only one way. This is a safety feature . If you are unabl e to
insert the plug fully into the outlet, try r eversing the plug. If the plug should still f ail to fit, contact your
electrician to replace your obsolete o utlet. Do not defeat the safety purpose of th e polarized plug. When
using an extension power -supply cord o r a power-supply cord other t han that suppl ied with the
appliance, it should be fitted with the ap propriate molded plugs an d carry safety a pproval appropriate to
the country of use.
8. Power cord protection - Power-supp ly cords should be routed so that they are not li kely to be walked
on, kinked or pinched by items placed on or ag ainst them, paying partic ular attenti on to cords from plugs,
receptacles and the point where they exi t from the product.
9. Overloading - Do not overload wall o utlets, extension cords, or multiple so ckets, as this can result in a risk of
fire or electric shock.
10. Ventila tion - The produc t must be properly ventilat ed. Do not place t he product on a bed, sofa, or oth er similar
surface. Do not cover the product with any i tems such as tablecloths, newspapers, e tc.
11. Hea t - The product sho uld be situated away from hea t sources such as radiators, heat registe rs, stoves, or other
products, including amplifiers tha t produce heat. No naked flam e sources, suc h as lighted candles, shoul d be
placed on the apparatus.
12. Water and moisture - To reduce the risk of fire or elect ric shock, do no t expose the product to train , dripping,
splashing or excessive moisture such a s in a sauna or bathroom. Do not us e this product n ear waterfor example,
near a bathtub, washbowl, kitchen sink , laundry tub, in a wet basemen t, or near a swimm ing pool and the like.
13. Obj ect and Liquid Entry - Never pu sh objects of an y kind into this product thro ugh openings , as they may touch
dangerous voltage poin ts or short-ci rcuit parts that could resu lt in a fire or elec tric shock. Never spill liq uid of any
kind on the product. Do not place any object c ontaining liquid on top of th e product.
14. Cle aning - Unplug the product fr om the wall outl et before cleaning. The cabinet of the subwo ofer may be cleaned
by dusting with a dry cloth. If you wish to use an a erosol cleaning spray, do not spray directly on the cabinet; spr ay
onto the cloth. Be careful not to damage the d rive units.
15. Att achments - Do not use attachm ents not recom mended by the product manuf actures, as th ey may cause
hazards.
16. Acc essories - Do not place this pr oduct on an unst able cart, stand, tripod, b racket or tabl e. The product may fall,
causing serious injury to a child or adult , and serious damage to the pro duct. Use only w ith a cart, stand, tripod,
bracket or ta ble recommended by the manu facturer or sold with the pro duct. Any mounting o f the product should
follow the manufacturers’ instructions and should us e a mounting acc essory recommended by the m anufacture r.
17. Mov ing the product - A product an d cart combination should b e moved with care. Quick stops, excessive f orce
and uneven surfaces may cause the produc t and cart combination to ove rturn.
18. Unu sed periods - The p ower cord of the appliance sh ould be unplugged from the outlet during li ghtning storms or
when the apparatus is left unused for a long p eriod of time.
19. Ser vicing - Do not attempt to serv ice this produ ct yourself, as opening or re moving cover s may expose you to
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