Boss LS-2 Line Selector: A Comprehensive Guide
Welcome! This guide details the Boss LS-2’s functions, offering a complete resource for setup, operation, and maximizing its potential in your rig.
The Boss LS-2 is a sophisticated line selector designed for guitarists and bassists seeking ultimate control over their pedalboards and amplifiers. It’s a powerful tool for instantly switching between different combinations of effects, amps, or signal chains, streamlining performances and simplifying complex setups.
Unlike simple A/B switches, the LS-2 offers six independent loops, allowing you to incorporate numerous pedals into your signal path. This eliminates the need for manual patching during a gig, ensuring seamless transitions between songs. Beyond basic switching, the LS-2 boasts programmable presets, MIDI control, and an expression pedal input, making it incredibly versatile.
This guide will walk you through every aspect of the LS-2, from initial setup and basic operation to advanced programming and troubleshooting. Whether you’re a seasoned professional or a beginner exploring the world of pedalboards, this resource will help you unlock the full potential of the Boss LS-2.
What is a Line Selector and Why Use One?
A line selector, at its core, is a switching system for audio signals. Instead of physically plugging and unplugging cables to change your signal path, a line selector allows you to route audio electronically. This is particularly useful for guitarists and bassists using multiple effects pedals, amplifiers, or signal chains.
Why use one? Imagine needing to switch between a clean amp and a distorted amp mid-song. Or perhaps you want different combinations of overdrive, chorus, and delay. A line selector eliminates the tap-dancing required to make these changes manually, ensuring a smooth and professional performance.
Beyond convenience, line selectors improve signal integrity by minimizing cable clutter and potential noise. They also offer the ability to create and save complex routing configurations, providing consistent tone night after night. The Boss LS-2 takes this concept further with its advanced features.
Key Features of the Boss LS-2
The Boss LS-2 stands out as a powerful and versatile line selector, packed with features designed for demanding musicians. It boasts six independent loops, allowing for extensive control over your signal chain. Programmable presets are a cornerstone, enabling you to instantly recall complex routing configurations with a single footswitch press.
The LS-2 offers both direct switching and latching modes, catering to different performance styles. Direct switching activates loops while held, while latching toggles them on or off. Furthermore, its robust construction ensures reliability on the road. MIDI control expands its capabilities, integrating seamlessly with existing setups.
Beyond basic switching, the LS-2 provides advanced options like expression pedal control and USB connectivity for firmware updates and preset management, making it a truly comprehensive solution.
Six Loop Switching Capabilities
The Boss LS-2’s core strength lies in its six independently switchable loops. Each loop functions as a dedicated signal path, perfect for integrating pedals, amplifiers, or other effects units into your setup; This allows for incredibly flexible signal routing, enabling complex combinations and instant changes during performance.
Each loop features a true bypass design, ensuring your signal remains pristine when the loop is disengaged. Loops can be configured in series or parallel, offering further customization. The LS-2 allows you to seamlessly switch between different pedal combinations, creating diverse tonal palettes on the fly.
This extensive looping capability makes the LS-2 ideal for guitarists, bassists, and keyboardists seeking ultimate control over their sound. Experimentation is encouraged!
Programmable Presets
The Boss LS-2 boasts 128 programmable presets, offering immense flexibility for storing and recalling your favorite loop configurations; These presets allow you to instantly access complex setups without manual switching, crucial for live performance or intricate studio work.
Each preset can store the on/off status of all six loops, creating a complete snapshot of your desired signal chain. Editing presets is straightforward via the front panel controls, or through deeper customization using the included Boss Tone Studio software.
Presets can be organized and named for easy identification, streamlining your workflow. The LS-2’s preset system empowers you to create a vast library of sounds, readily available at your feet.
Direct Switching & Latching Modes
The Boss LS-2 offers two distinct switching modes: Direct and Latching. Direct switching provides momentary activation – loops are engaged only while the footswitch is held down, ideal for “stutter” effects or dynamic control. This mode is perfect for expressive playing where instant on/off is needed.
Latching mode, conversely, toggles the loop state with each footswitch press. Loops remain engaged until pressed again, functioning like a traditional stompbox. This is best for standard effect activation and deactivation during a song.
You can independently configure each loop to operate in either Direct or Latching mode, maximizing versatility. This allows for a hybrid setup tailored to your specific performance needs and creative preferences.
Understanding the LS-2’s Connections
The Boss LS-2 features a comprehensive array of connections for seamless integration into your existing setup. Located on the rear panel, you’ll find standard ¼-inch Input and Output jacks for connecting to your instrument and amplifier, respectively. These are the primary signal path connections.
For expanded control, the LS-2 includes MIDI In and Out ports, enabling synchronization with other MIDI devices and external control. A USB port facilitates connection to a computer for firmware updates and preset management via the Boss Tone Studio editor.
Finally, an Expression Pedal input allows for real-time control over loop parameters, adding another layer of dynamic expression to your performances. Careful consideration of these connections is key to unlocking the LS-2’s full potential.
Input and Output Jacks Explained
The Input jack on the Boss LS-2 accepts the signal from your guitar or other instrument. Ensure a secure connection with a standard ¼-inch instrument cable. The Output jack sends the selected loop’s signal to your amplifier or the next device in your signal chain.
These jacks are not buffered; therefore, cable quality significantly impacts signal integrity. Use high-quality, shielded cables to minimize noise and signal loss. The LS-2’s loops are designed for line-level signals, so placing it after any preamp or overdrive pedals is generally recommended.
Properly connecting these jacks is fundamental to the LS-2’s operation. Incorrect connections can lead to signal issues or unexpected behavior. Always double-check your cabling before powering on.
MIDI In/Out and USB Connectivity
The MIDI In port allows the LS-2 to receive program change and control change messages from an external MIDI controller or sequencer, enabling hands-free preset switching and parameter control. The MIDI Out port transmits MIDI data, useful for controlling other MIDI-equipped devices in your setup.
USB connectivity facilitates firmware updates and advanced editing via the Boss Tone Studio software. Download the latest version from the Boss website. Connecting via USB also allows for backup and restoration of your presets.
Ensure proper MIDI channel assignment for seamless integration with your other gear. Refer to the MIDI implementation chart in the full manual for detailed information on supported messages.
Expression Pedal Input Functionality
The LS-2’s expression pedal input (1/4” TRS) offers dynamic control over various parameters within your looped effects. You can assign the pedal to control loop volume, mix levels, or even effect parameters within compatible pedals connected in the loops.
Assignment is done via MIDI CC messages, allowing for extensive customization. The pedal can be configured for heel-toe reverse functionality, expanding its control options. Experiment with different CC numbers to map the pedal to the desired parameters on your effects.
Proper pedal calibration is crucial for optimal performance. Use the Tone Studio software to fine-tune the pedal’s range and response curve for a personalized feel.
Basic Operation: Getting Started
Initial setup is straightforward. Connect your instruments and effects pedals to the LS-2’s input and output jacks, ensuring proper signal flow. Power the unit using the included AC adapter – a stable power supply is essential for reliable operation.
The front panel footswitches directly control the six loops. Pressing a footswitch activates or deactivates the corresponding loop. Observe the LED indicators to confirm loop status. The ‘Preset’ footswitches allow quick recall of saved settings.
Experiment with manual switching to understand how each loop affects your signal chain. This hands-on approach builds familiarity before diving into preset programming.
Powering Up and Initial Setup
Before first use, carefully inspect the LS-2 for any physical damage. Connect the supplied DC 9V power adapter to the DC IN jack on the rear panel and plug it into a suitable power outlet. Do not use an alternative adapter, as this could damage the unit.
Upon powering on, the LS-2 will briefly display the Boss logo and initialize. Ensure all connected pedals are also powered on. Verify that the input and output jacks are securely connected to your guitar/instrument and amplifier/effects chain, respectively.
Initial sound checks are crucial. Play through each loop individually to confirm proper signal routing and functionality. Adjust input and output levels as needed for optimal performance.
Manual Switching of Loops
The LS-2 offers straightforward manual loop control via the front panel footswitches. Each of the six loop footswitches directly engages or disengages its corresponding loop. A lit footswitch indicates the loop is active, passing the signal through the connected effect.
To activate a loop manually, simply press the corresponding footswitch. Pressing it again will bypass the loop. This provides instant, on-the-fly control over your effects. The current status of each loop is clearly visible via the LED indicators above each switch.
Direct switching is ideal for live performance where quick adjustments are needed. Remember to consider the ‘latching’ or ‘momentary’ mode settings (explained elsewhere) for desired behavior.
Programming Presets: A Step-by-Step Guide
Presets are the heart of the LS-2’s versatility, allowing you to store and recall complex combinations of loop states. To begin programming, first, ensure the LS-2 is powered on. Press the ‘Edit’ button to enter Preset Edit Mode. The current preset number will flash on the display.
Use the Up/Down arrow buttons to select the preset number you wish to edit. Once selected, press ‘Enter’ to begin editing the loop states for that preset. Now, press the individual loop footswitches to toggle each loop on or off as desired within the preset.
The display will reflect the current loop configuration. Remember to save your work!
Entering Preset Edit Mode
Accessing the LS-2’s preset editing capabilities is straightforward. From the main display, showing the currently selected preset, press and hold the ‘Edit’ button for approximately two seconds. The display will change, indicating you’ve entered Preset Edit Mode. You’ll notice the preset number now begins to flash, signifying it’s ready for modification.
Alternatively, you can also enter Edit Mode by pressing the ‘Write’ button followed immediately by the ‘Enter’ button. This method achieves the same result – a flashing preset number on the display. Be mindful not to accidentally trigger a preset recall during this process.
Once in Edit Mode, you can begin customizing loop states for the selected preset, as detailed in the following sections.
Saving and Recalling Presets
To save your edited preset, press the ‘Write’ button while in Preset Edit Mode. The display will prompt you to confirm the preset number you wish to save to. Use the Up/Down arrow buttons to select a desired preset location (00-99). Press ‘Enter’ to finalize the save. The display will briefly show “Wrt” indicating the write process.
Recalling presets is incredibly simple. Directly enter the two-digit preset number using the numeric buttons (0-9). For example, to recall preset 12, press ‘1’ then ‘2’. Alternatively, you can use the Up/Down arrow buttons to scroll through the available presets until the desired one is displayed.
Pressing ‘Enter’ after selecting a preset will instantly activate it, configuring the loops according to the saved settings.
Advanced Features and MIDI Control
The LS-2’s MIDI capabilities unlock powerful integration with your existing setup. Access the MIDI settings via the menu system. Here, you can configure the unit to respond to Program Change (PC) messages, allowing external controllers or sequencers to select presets directly.
Continuous Controller (CC) assignments enable real-time control over loop parameters. Assign specific CC numbers to loop on/off states for dynamic performance manipulation. The LS-2 supports both MIDI In and MIDI Thru, facilitating seamless integration into complex MIDI chains.
USB connectivity allows for firmware updates and potentially MIDI control via computer software, expanding the LS-2’s functionality. Consult the Boss website for the latest firmware and software updates.
MIDI Program Change Messages
Utilizing Program Change (PC) messages is key to controlling the LS-2 remotely. Each preset on the LS-2 can be assigned a specific PC number, ranging from 0 to 127. This allows you to trigger presets from a MIDI controller, sequencer, or even another pedal with MIDI capabilities.
To assign PC numbers, navigate to the MIDI settings within the LS-2’s menu. Select the preset you wish to modify and then assign the desired PC number. Ensure there are no conflicts with other devices in your MIDI chain. A clear mapping of PC numbers to presets is crucial for reliable operation.
Remember to consult your external MIDI device’s manual for instructions on sending PC messages. Proper configuration on both ends is essential for seamless preset switching.
Continuous Controller (CC) Assignments
Beyond Program Change messages, the LS-2 supports Continuous Controller (CC) messages for more nuanced control. These allow you to manipulate parameters within a preset, such as loop volume or effects blend, in real-time. The LS-2 responds to specific CC numbers, which can be assigned within its MIDI settings.
Commonly used CCs include CC1 (Modulation), CC7 (Volume), and CC91 (Reverb). You can assign these, or other available CCs, to control various functions of the loops. This opens up possibilities for dynamic performance and expressive control over your signal chain.
Experimentation is encouraged! Refer to the LS-2’s comprehensive MIDI implementation chart to discover all assignable CC parameters and their corresponding numbers for optimal integration with your setup.
Troubleshooting Common Issues
No Sound: First, verify all input and output cables are securely connected. Ensure the selected loop is active (LED illuminated). Check the loop’s send and return levels, and confirm your amplifier is powered on and set to the correct input.
Preset Not Saving/Recalling: Confirm you’re in Preset Edit mode when saving. Double-check the preset number you’re attempting to recall. A full memory can prevent saving; delete unused presets.
MIDI Issues: Verify MIDI cables are correctly connected and that the LS-2 is receiving/transmitting on the correct MIDI channel. Check your MIDI interface settings. If problems persist, try a factory reset (refer to the manual for instructions).
LS-2 vs. Other Line Selectors: A Comparison
Compared to simpler selectors, the Boss LS-2 excels with its six loops and programmable presets, offering far greater flexibility for complex rigs. Many competitors offer fewer loops or rely solely on manual switching.
Against higher-end models, the LS-2 provides a compelling balance of features and price. While some premium units boast more advanced routing options or extensive MIDI control, the LS-2’s intuitive interface and robust build quality are significant advantages.
Its USB connectivity for firmware updates and preset backup is a modern touch often missing in older designs. Ultimately, the LS-2 stands out as a powerful, reliable, and user-friendly line selector for discerning guitarists.