JBL VM300 Quick Start Guide

VM300 WIRELESS MICROPHONE SYSTEM

7

8 9 9

10 11

7

7

2 5

8 9 9

10 11

3

6

4

15

1612

7

8 9 9

10 11

QUICK START GUIDE

ABOUT VM300 PACKING LIST

VERSION: 08/03/2019

Thanks for purchasing JBL VM300 wireless microphone system.

JBL VM300 boasts ultra clarity and reliable performance, and meets the highest standard from either professional or entertainment sound
applications with the following features:

• Preset frequency/channel module for Ch-A and Ch-B

• Auto Scan

• SHAKE TO SYNC (frequency range: 2400 MHz - 2483.5 MHz)

• Synchronization through IR

• Auto Mute

• Auto Sleep

• Auto Wakeup

Each JBL VM300 system includes one SR300 receiver and two HT300 hand-held transmitters.

USER INTERFACE

7

7

1) 1 × SR300 receiver

2) 2 × HT300 hand-held transmitters

3) 2 × Antennas

4) 1 × Power adapter

5) 1 × Audio cable (with 6.35 mm plug)

6) 2 × Anti-rolling rubber rings

7) 4 × AA batteries

8) 1 × Quick Start Guide

2 5

1 1

364

SR300 - Front

1. Volume (A/B)：To lock/unlock SR300, adjust channel volume, or configure channel

settings, etc.

NOTE: Settings of each channel include: SET FRQ (to set the channel frequency), SET
RF (to set RF output of HT300), SET AUD (to set auto attenuation of the output gain of
the channel), SET DIS (to set the display mode).

2. Auto Scan: To enable or disable automatic search for available frequencies. Only

effective when SR300 is unlocked.

3. Auto Sync: To enable or disable automatic frequency synchronization between SR300

and HT300. Only effective when SR300 is unlocked.

4. IR Sensor: For frequency synchronization with HT300.

5. LCD: Shows status of Ch-A and Ch-B: audio signal level, RF signal level, frequency/

channel, mute, etc.

6. Frequency/Channel Module：To select preset frequency/channel module for Ch-A

8 9 9

and Ch-B. Only effective when SR300 is unlocked.

7. Antenna: Connect the UHF antennas provided.

DON'T block this area when using SR300.

8. On/Off button: To turn SR300 on or off.

9. Balance Out (A/B): 3-pin balanced XLR connector, for connection of professional-grade

audio devices.

10. Power Input：Power requirement: 12 VDC, 1.25A. Connect the power adapter

provided.

11. Mix Out: 6.35 mm unbalanced TS connector. Use the 6.35 mm audio cable supplied

and connect it to downstream audio devices (e.g. audio processors).

10 11

SR300 - Rear

12

12. Pick-up：For vocal or instrument sound pick-up.

DON'T hand hold or block this area when using HT300.

13. LCD: Shows status of HT300: battery level, frequency/channel, mute, etc.

14. On/Off button: Long press the button to turn HT300 on or off. This button can also be

used to activate or deactivate its auto mute function.

13 14 15

HT300 - Front

16

OPERATION INSTRUCTIONS

Lock/Unlock SR300

① Long press the Volume knobs (1) of both Ch-A and Ch-B to lock or unlock SR300.

② When SR300 is locked, its LCD shows "LOC ON"; When SR300 is unlocked, its LCD

shows "UNLOC".

Adjuct Channel Volume

① Unlock SR300.

15

HT300 - Rear

15. Grip/Battery compartment: Hold this area when using HT300. Twist it off to install

or replace the batteries or prepare HT300 for frequency/channel synchronization with
SR300 through IR.

16. Antenna: For wireless transmission of RF signal.

DON'T block this area when using HT300.

② Rotate the Volume knob (1) of Ch-A or Ch-B to adjust the volume of the channel.

1612

Select Frequency/Channel Module

① Unlock SR300.

② Short press the Module buttons (6) to select preset frequency/channel group for Ch-A and

Ch-B. When selection is done, the system stores the selection automatically.

OPERATION INSTRUCTIONS (CONTINUE)

Configure Channel Settings

① Unlock SR300.

② Long press the Volume knob (1) of Ch-A or Ch-B to start setting of the selected channel.

The LCD shows "SET FRQ".

③ Rotate the Volume knob (1) to select the target setting.

④ Short press the Volume knob (1) to see parameters of the setting.

⑤ Rotate the Volume knob (1) again to select the target parameter.

⑥ To confirm the selection, short press the Volume knob (1). The LCD shows "EXIT" or

"STORE".

Start Auto Scan

① Short press the Auto Scan button (2). The LCD shows "SCAN".

② Short press the Volume knob (1) of Ch-A or Cha-B to start searching for available

frequency/channel for the channel.

③ When searching is done, the LCD shows the available frequency/channel for the channel.

Shake to Sync

Ensure that the distance between HT300 and SR300 is no more than 10-meters and
that there's no block nor interference in between.

① Unlock SR300.

② Select a preset frequency/channel module for Ch-A and Ch-B using the Module buttons (6).

③ Hold one HT300 each hand. Long press the On/Off buttons (14), and at the same time,

gently shake each HT300.

④ When synchronization is successful, the LCDs of each HT300 display the corresponding

frequency/channel as those shown on SR300.

Alternate Method:

① Unlock SR300.

② Select a preset frequency/channel module for Ch-A and Ch-B using the Module buttons

(6).

③ Hold the first HT300. Long press its On/Off button (14), and at the same time, gently

shake the HT300.

④ When synchronization is successful, the LCD (13) of this HT300 displays the frequency/

channel as the Ch-A of SR300.

⑤ Keep the HT300 powered on.

⑥ Repeat ③ and synchronize for the second HT300.

⑦ When synchronization is successful, the LCD (13) of the second HT300 displays the

frequency/channel as the Ch-B of SR300.

Synchronize through IR

① Unlock SR300.

② Short press Auto Sync button (3). The LCD shows "SYNC".

③ Short press the Volume knob (1) of Ch-A or Cha-B to start automatic synchronization for

the channel. The LCD shows the frequency/channel by flashing.

④ Turn one HT300 on. Twist its Grip (15) off.

⑤ Place the HT300 near SR300, and ensure that its front or LCD is facing the IR Sensor (4) of

SR300.

⑥ When synchronization is successful, the LCD (13) of the HT300 displays the same

frequency/channel as shown on SR300.

Activate / Deactivate Auto Mute of HT300

① When HT300 is on, long press its On/Off button (14) for 10 seconds to activate or

deactivate the auto mute function of HT300.

Settings Parameters

SET FRQ

(set frequency of the
channel)

SET RF

(set RF output of HT300
of the channel)

CH-000

...

or

CH-099

RF HI (set RF output of HT300 to high)

RF LO* (set RF output of HT300 to low)

00 (auto attenuation by 0 dB)

SET AUD**

(set auto attenuation of
the output gain of the
channel)

01 (auto attenuation by -1 dB)

02* (auto attenuation by -2 dB)

03 (auto attenuation by -3 dB)

04 (auto attenuation by -4 dB)

SET DIS

(set channel display
mode of the channel)

DS-CHN* (display the channel in "Channel")

Short press the Volume knob (1) of the channel

DS-FRQ (display the channel in "Frequency")

* Default value of the setting.

** Only effective when two HT300s are working.

640.000 MHz

...

664.750 MHz

SAFETY INSTRUCTIONSMENU TREE (SR300)

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

STORE

STORE

STORE

then LCD display (5)shows

Short press the Volume knob (1) of the channel,

EXIT

5. Do not use this apparatus near water.

6. Clean only with dry cloth.

7. Do not block any ventilation openings. Install in accord­ance with manufacturer’s instructions.

8. Do not install near any heat sources such as radiators,
heat registers, stoves or other apparatus that produce
heat.

9. Do not defeat the safety purpose of the grounding type
plug. A polarized plug has two blades with one wider
than the other. A grounding type plug has two blades
and a third grounding prong. The wide blade or the third
prong is provided for your safety. If the provided plug
does not fit into your outlet, consult an electrician for
replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacle and the
point where the power cord connects to the apparatus.

11. Only use attachments/accessories specified by the
manufacturer.

12. Unplug this apparatus during lightning storms or when
unused for long periods of time.

13. Refer all servicing to qualified service personnel. Servic­ing is required when the apparatus has been damaged

in any way, including: power-supply cord or plug is
damaged, liquid has been spilled or objects have fallen
into the apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally, or has been
dropped.

14. The appliance coupler of the power supply cord is used
as the ultimate disconnect device from the mains. The
appliance coupler shall remain readily operable.

15. The apparatus shall be connected to mains socket outlet
with a protective earthing connection.

16. Any changes or modifications not expressly approved
by the party responsible for compliance could void the
user’s authority to operate the equipment.

WARNING:

• To reduce the risk of fire or electrical shock, do not
expose the apparatus to rain or moisture.

• Do not expose the apparatus to d ripping or splashing
and do not place objects filled with liquids, such as vas­es, on the apparatus. No naked flame sources, such as
lighted candles, should be placed on the apparatus.

CAUTION: TO REDUCE THE RISK OF ELECTRONIC
SHOCK - DO NOT REMOVE COVER. NO USER SERVICE­ABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED
PERSONNEL. DO NOT EXPOSE THIS APPARATUS TO
RAIN OR MOISTURE.

SPECIFICATIONS CONTACT

System Frequency Band: 640 MHz - 690 MHz

Channels: 200

Operating Range: ≈ 50 meters

Frequency Increment: 250 kHz

Frequency Bandwidth: 50 MHz

S/N Ratio: ≥ 50 dB (including pickup,

Shipping Weight: 2.5 kg
Dimensions (L×W×D): 480 × 340 × 70 mm

SR300 Frequency Deviation: ±10 kHz

Frequency Preparation: PLL synthesized control

Receiving Mode: CPU controlled selection +

Mute Mode: Mute & Lock Loop Circuit

Display: LCD

Power Requirement: 12 VDC, 1.25 A

Audio Output
Connector:

HT300 Frequency Preparation: PLL synthesized control

Transmission Power: ≤ 30 mW

Transmission: CPU controlled selection +

Frequency Deviation: ±10 kHz

Display: LCD

Pickup Cartridge: Dynamic

RF Output power: High, Low

according to China GB
standard)

Pilot tone detection

2 × balanced XLR
1 × 6.35mm unbalanced TS

Pilot tone detection

PROFESSIONAL CONTACTS

Contact the JBL Professional Distributor in
your area. A complete list of JBL Profes­sional international distributors is available
at www.jblpro.com.

PRODUCT REGISTRATION

Register your product online at www.jblpro.
com/registration.

CUSTOMER SERVICE

400 166 7806

Monday - Friday

9:00am - 6:00pm

WEBSITE

www.jblpro.com

WARRANTY

The JBL Limited Warranty on VM300 Wireless Microphone
System is in effect for limited period of time (refer to its war-

ranty card) from the date of the first consumer purchase.

WHO IS PROTECTED BY THIS WARRANTY?

Your JBL Warranty protects the original owner and all
subsequent owners so long as: A) Your JBL product has
been purchased in China Sales Area (This Warranty does
not apply to JBL products purchased elsewhere. Other
purchasers should contact the local JBL distributor for
warranty information. and B) The original dated bill of sale is
presented whenever warranty service is required.

WHAT DOES THE JBL WARRANTY COVER?

Except as specified below, your JBL Warranty covers all
defects in material and workmanship. The following are
not covered: Damage caused by accident, misuse, abuse,
product modification or neglect; damage occurring during
shipment; damage resulting from failure to follow instruc­tions contained in your Instruction Manual; damage resulting
from the performance of repairs by someone not authorized
by JBL; claims based upon any misrepresentations by the
seller; any JBL product on which the serial number has
been defaced, modified or removed.

WHO PAYS FOR WHAT?

JBL will pay all labor and material expenses for all repairs
covered by this warranty. Please be sure to save the original
shipping cartons because a charge will be made if replace­ment cartons are requested. Payment of shipping charges is
discussed in the next section of this warranty.

HOW TO OBTAIN WARRANTY PERFORMANCE?

If your JBL product ever needs service, please contact your

local JBL distributor or our Customer Service (Hotline: 400
166 7806). You’ll need to present the original bill of sale
to establish the date of purchase. Please do not ship your
JBL product to our Customer Service Center without prior
authorization. You are responsible for transporting your
product for repair or arranging for its transportation and for
payment of any initial shipping charges. However, we will
pay the return shipping charges if repairs are covered by the
warranty.

LIMITATION OF IMPLIED WARRANTIES

ALL IMPLIED WARRANTIES, INCLUDING WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR PARTICULAR
PURPOSE, ARE LIMITED IN DURATION TO THE LENGTH
OF THIS WARRANTY.

EXCLUSION OF CERTAIN DAMAGES

JBL’S LIABILITY IS LIMITED TO THE REPAIR OR RE­PLACEMENT, AT OUR OPTION, OF ANY DEFECTIVE
PRODUCT AND SHALL NOT INCLUDE INCIDENTAL
OR CONSEQUENTIAL DAMAGES OF ANY KIND. SOME
STATES DO NOT ALLOW LIMITATIONS ON HOW LONG
AN IMPLIED WARRANTY LASTS AND/OR DO NOT ALLOW
THE EXCLUSION OF INCIDENTAL OR CONSEQUENTIAL
DAMAGES, SO THE ABOVE LIMITATIONS AND EXCLU­SIONS MAY NOT APPLY TO YOU. THIS WARRANTY
GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY
ALSO HAVE OTHER RIGHTS, WHICH VARY, FROM STATE
TO STATE.