Boss WL-50 Users Manual

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WL-50	English	Before using this unit, carefully read “USING THE UNIT SAFELY” and
WL-50	English	“IMPORTANT NOTES” (the leaflet “USING THE UNIT SAFELY”). After reading,
Owner’s Manual		keep the document(s) where it will be available for immediate reference.

Stable wireless communication with no dropouts (Auto Wireless Connection)

Simply connect the transmitter with the receiver; the receiver scans the local state of the wireless spectrum and automatically chooses the optimal channel.

Switches to standby mode when silence continues

When one hour passes without you playing your guitar, the transmitter enters standby mode.

Preparing the Receiver (WL-50)

Attaching the rubber feet

You can attach the rubber feet (included) if necessary.

Attach them in the locations shown in the illustration.

Preparing the power supply

You can use either an AC adaptor (PSA-S series: sold separately) or alkaline batteries.

Connecting an AC adaptor

IN jack

Connect the AC adaptor (PSA-S series: sold separately) to the IN jack.

* We recommend that you keep batteries installed in the unit even though you’ll be powering it with the AC adaptor.

That way, you’ll be able to continue a performance even if the cord of the AC adaptor gets accidentally disconnected

from the unit.

OUT jack

When an AC adapter is used, you can connect a PCS-20A parallel DC cord (sold separately) to supply power to effects processors and other PSA-S adaptor-compatible gear.

*Power cannot be supplied from the OUT jack when the WL-50 is running on batteries.

*If you use the PCS-20A to supply power to devices that are compatible with PSA-S adaptors, make sure that the total current consumption of all devices (including the WL-50) does not exceed the maximum output current of the PSA-S series unit you’re using. The maximum output current is listed in the OUTPUT field of the label affixed to the adaptor itself.

Installing alkaline batteries

Remove the battery cover located on the back of the receiver, and install batteries in the correct polarity as indicated on the unit.

*If you handle batteries improperly, you risk explosion and fluid leakage. Make sure that you carefully observe all of the items related to batteries that are listed in “USING THE UNIT SAFELY” and “IMPORTANT NOTES” (leaflet “USING THE UNIT SAFELY”).

Turning the power on

When you connect a cable to the OUTPUT jack, the receiver’s power turns on.

*To prevent malfunction and equipment failure, always turn down the volume, and turn off all the units before making any connections.

Other parts and their function

POWER indicator

When the receiver’s power is on, this is lit.

*When operating on batteries, this blinks when the batteries run low. Replace the battery.

RECEIVE indicator

This is lit during wireless communication.

TRANSMITTER jack

Connect the transmitter here.

*Do not connect anything other than the WL-T transmitter made by BOSS. If you connect headphones, high-

volume sound might be emitted, or the headphones might be damaged.

INPUT jack

You can connect your guitar here. The input sound is output to the OUTPUT jack. If a guitar is connected, the wireless function is disabled, and the RECEIVE indicator is unlit.

OUTPUT jack

Connect this to your amp or effect unit.

[CABLE TONE] switch

This simulates the effect that a guitar cable has on the tonal character.

[CABLE TONE] switch

	OFF	OFF
	SHORT	Characteristics of a 3-meter (10-foot) guitar
	SHORT	cable
		cable
	LONG	Characteristics of a 6-meter (20-foot) guitar
	LONG	cable
		cable

Charging the Transmitter (WL-T)

Use either method to charge.

Charging from the receiver

Connect an AC adaptor to the IN jack, and connect the cable to the OUTPUT jack.

Then insert the transmitter into the TRANSMITTER jack.

IN jack

OUTPUT jack

Charging from a USB AC adaptor

Connect a commercially available USB cable and USB AC adaptor (5 V/0.5 A or higher) to the DC IN 5 V port.

*When charging from the DC IN 5 V port, the wireless connection does not operate.

DC IN 5 V port (USB Micro-B type)

BATTERY indicator

		The system is monitoring the local state of
	Blinking	the 2.4 GHz wireless spectrum for 10 seconds,
	Blinking	and automatically making adjustments so that
	orange	and automatically making adjustments so that
	orange	the receiver and transmitter can connect with
		the receiver and transmitter can connect with
		optimal stability (Auto Wireless Connection).

BATTERY indicator

		Charging.
	Lit orange	* The charging time differs depending on the
	Lit orange	remaining battery charge and on the charging
		remaining battery charge and on the charging
		environment.
		Charging is completed, and the transmitter is in
		standby mode. Unplug the transmitter.
		* We recommend that you disconnect the
		transmitter after charging is completed. If you
	Blinking	leave it connected, a small amount of power is
	Blinking	used from the battery, and the indicator blinks
	green	used from the battery, and the indicator blinks
	green	green once every eight seconds.
		green once every eight seconds.
		* If you have not used the transmitter for a
		long time, one charge might not be sufficient.
		Disconnect and reconnect the transmitter to
		complete charging.
		When five hours have passed since charging
		started, charging automatically stops in order
	Lit green	to protect the rechargeable lithium-ion battery,
	Lit green	even if charging was not completed.
		even if charging was not completed.
		To charge completely, disconnect and reconnect
		the transmitter.
	Blinking red	A charging error occurred.
	Blinking red	&“Troubleshooting”

Making Wireless Settings (Auto

Wireless Connection)

*Execute the following operation before you play your guitar. In particular when you’re playing live or in a session, the wireless conditions might change between the rehearsal and the actual event, so you should execute the following operation once again before the actual event.

1.Connect the cable to the OUTPUT jack and turn the power on.

2.Insert the transmitter into the TRANSMITTER jack.

This blinks orange while Auto Wireless Connection settings are being made. The process completes in approximately 10 seconds.

When the orange blinking stops, remove the transmitter.

For stable wireless communication

If audio dropouts occur, it might be that the local state of the wireless spectrum has changed. Execute the Auto Wireless Connection operation once again.

Since the WL-50 uses a 2.4 GHz wireless system, we recommend that you place the receiver at least three meters away from a Wi-Fi router or other wireless device.

Using a microwave oven might also cause audio dropouts due to wireless interference.

Using multiple wireless systems together

To prevent confusion between the wireless systems, perform the following steps.

1.Power-off the BOSS wireless systems.

2.Power-on any wireless systems not made by BOSS, and set them up so that there are no problems with their sound.

First wireless system unit made by BOSS

3.Power-on the receiver, insert the transmitter, and execute the Auto Wireless Connection procedure.

4.Plug the transmitter into your guitar, making the BATTERY indicator light.

Second and subsequent wireless system units made by BOSS

5. Repeat steps 3 and 4.

Performing

When you plug the transmitter into your guitar, the transmitter power-on automatically.

BATTERY indicator

	Lit green	There is sufficient remaining battery capacity.
	Blinking	Standby mode.
	green	Standby mode.
	green
	Lit orange	Battery will be exhausted in less than two hours.
	Lit red	Battery will be exhausted in less than 30 minutes.
	Lit red	Please recharge.
		Please recharge.

Switches to standby mode when silence continues

When one hour passes without you playing your guitar, the transmitter enters standby mode and ends the connection with the receiver. The BATTERY indicator blinks green.

Note when returning from standby mode

When you raise the volume of your guitar and play it, the transmitter returns from standby mode in approximately two seconds.

When not using the system for an extended time

Unplug the transmitter. Standby mode does consume battery power, although only very slightly.

Turning the Power Off

1.Minimize the volume of your guitar and of output devices such as the amp, and then turn off the power.

2.Unplug the transmitter from the guitar.

3.Unplug the cable from the receiver’s OUTPUT jack.

Troubleshooting

	Problem	Items to check/Action

		Remove and reinsert the transmitter in the
		guitar.
		Could a cable be connected to the INPUT
		jack? The guitar connected to the INPUT jack
		takes priority.
		Is the receiver too far away from the
		transmitter? Alternatively, are there
	No sound when	obstructions between them? Decrease
	No sound when	the distance between the receiver and the
	you play the	the distance between the receiver and the
	you play the	transmitter.
	guitar in which	transmitter.
	the transmitter is	Could you be recharging transmitter from
	inserted	the DC IN 5 V port?
		Disconnect the USB cable when you’re
		playing.
		Is the transmitter’s BATTERY indicator lit? If it
		is unlit, recharge the transmitter.
		Is the receiver’s RECEIVE indicator lit? If it is
		unlit, execute the Auto Wireless Connection
		procedure.
		Could there be a different receiver or
		transmitter nearby?
		Execute the Auto Wireless Connection
		operation once again.
	The sound of a	If this does not solve the problem, it could
	The sound of a	be that radio-frequency congestion on the
	different guitar is	2.4 GHz band is causing channels to conflict
	heard	with another wireless system.
		To reduce radio-frequency congestion, turn
		off the power of any unused Wi-Fi router,
		Bluetooth device, or microwave oven, and
		then execute the Auto Wireless Connection
		operation once again.

Problem

Items to check/Action

The BATTERY indicator blinks red

A charging error occurred.

55 If the transmitter’s internal temperature rises, charging might pause.

This occurs in order to protect the rechargeable lithium-ion battery. When the internal temperature falls, the BATTERY indicator changes to be lit orange, and charging resumes.

55 Could the ambient temperature be above 35°C?

Charging might stop for a while in order to protect the rechargeable lithium-ion battery. Use the unit in the recommended ambient temperature range of 10–30°C.

55 If the indicator continues blinking red even though you are charging in the recommended temperature range (10–30°C)

Contact your dealer or a Roland customer service center.

Main Specifications

BOSS wireless system: WL-50

RECEIVER

Wireless Format	BOSS proprietary digital audio format
Wireless carrier	2.4 GHz
frequency	2.4 GHz
frequency
Compatible Channels	14 (May vary due to local conditions)
Transmission Range	20 meters (65 feet) line-of-sight (May vary
Transmission Range	due to local conditions)
	due to local conditions)
Latency	2.3 ms
Dynamic Range	110 dB or greater
Frequency Response	20 Hz–20 kHz
Nominal Input Level	-10 dBu	* 0 dBu = 0.775 Vrms
Power Supply	Alkaline battery (AA, LR6) x 2,
Power Supply	AC adaptor (sold separately)
	AC adaptor (sold separately)
Current Draw	During wireless operation: 60 mA
Current Draw	While charging transmitter: 320 mA
	While charging transmitter: 320 mA
Expected battery life	Alkaline battery (AA, LR6): Approximately
under continuous use	10 hours
Dimensions	72 (W) x 121 (D) x 56 (H) mm
Dimensions	2-7/8 (W) x 4-13/16 (D) x 2-1/4 (H) inches
	2-7/8 (W) x 4-13/16 (D) x 2-1/4 (H) inches
Weight (including	220 g
battery)	8 oz
	Owner’s Manual
	Leaflet USING THE UNIT SAFELY
	Transmitter (*1)
Accessories	Rubber foot x 4
	Alkaline battery (AA, LR6) x 2
	*1: An AC adaptor (PSA-S series) is required
	to charge the transmitter (WL-T).
Options	AC adaptor: PSA-S series
(sold separately)	Parallel DC cord: PCS-20A (DC Plug x8)

TRANSMITTER (WL-T)

Nominal Input Level	-10 dBu	* 0 dBu = 0.775 Vrms
Power Supply	Rechargeable lithium-ion battery
Power Supply	Supplied from the DC IN 5 V port
	Supplied from the DC IN 5 V port
Current Draw	350 mA
Battery charging time	Approximately 3 hours
Expected battery life	Approximately 12 hours
under continuous use	Approximately 12 hours
under continuous use
Dimensions	87 (W) x 22 (D) x 36 (H) mm
Dimensions	3-7/16 (W) x 7/8 (D) x 1-7/16 (H) inches
	3-7/16 (W) x 7/8 (D) x 1-7/16 (H) inches
Weight	43 g
Weight	2 oz
	2 oz

* This document explains the specifications of the product at the time that the document was issued. For the latest information, refer to the Roland website.