There is a moment every guitarist knows. You are deep into a solo, the crowd is with you, the whole room has locked onto that note you are bending up to the break — and then the cable catches on your shoe, pulls taut, and the jack pops out of your guitar. The song does not die dramatically. It just stops. That particular brand of silence is one of the most deflating sounds in live music.
The Boss WL-50 Wireless System was built to make that moment extinct. Not with a rack-mounted transmitter, not with a body-pack and a belt clip, but with a compact pedalboard receiver that lives right where the rest of your pedals live and a transmitter small enough to forget is there. Boss did not try to make a guitar wireless system feel like guitar gear. They made one that is guitar gear, shaped and powered like a standard stompbox, dropping straight into the 9V power ecosystem every guitarist already uses.
Released in June 2018 alongside the WL-20 and WL-20L, the WL-50 is the pedalboard-native member of Boss’s WL family. Its receiver occupies the same footprint as a regular Boss compact — the same housing you already have six of on your board — and connects to everything on that board the same way your other pedals do. If the WL-20 is a standalone solution, the WL-50 is a permanent installation. This is the one for players who never want to think about wireless again.
The Wireless Problem That Boss Finally Cracked
Guitar wireless systems have existed since the 1970s. The problem was never the concept. Players watched Robert Plant pace endlessly across the stage in 1975 and understood immediately what freedom of movement meant for performance. The problem was execution. Early UHF systems were expensive, bulky, and tone-sucking. The transmitter went in a pouch on your guitar strap, the receiver sat in a rack, and setting up a show meant pairing channels, worrying about interference from house WiFi, and keeping spare batteries for the transmitter that would invariably die mid-set.
Then came the 2.4 GHz consumer electronics boom, the same radio spectrum that gave us Bluetooth speakers and home wireless networks, and guitar wireless caught up fast. Digital processing became fast enough to transmit audio with latency under 5 ms — the threshold where most players stop noticing any difference from a cable. Dynamic range climbed to 110 dB and above. Frequency response hit the full 20 Hz to 20 kHz audio bandwidth. The technology finally matched the application.
What Boss added with the WL-50 was the one thing the category was still missing: format intelligence. A wireless receiver that looks like a wireless receiver is still foreign hardware on a pedalboard. The WL-50 does not look foreign. It looks exactly like everything else on your board. It sits in a row, it powers from the same supply, and when the transmitter is docked in its housing between sets, the entire system recharges automatically. The only thing that changed is the cable between your guitar and your first pedal — and that cable is now radio waves.
How the WL-50 Works — The Invisible Cable Explained
The WL-50 system has two components: a stompbox-sized receiver that mounts on your pedalboard and a compact transmitter that plugs directly into your guitar’s output jack. There are no body packs, no belt clips, no separate antennas to position. The transmitter is a self-contained unit roughly the size and shape of a USB stick, and it plugs straight in and disappears.
When the transmitter is docked in the receiver’s transmitter jack and the receiver is powered, pairing happens automatically in about 10 seconds. After that initial pairing, the two units recognize each other every time they are powered on together. There are no menus, no channel assignment, no scan-and-lock procedure. You dock the transmitter in the receiver when you break down your gear, and the next time you power up at the next show, they are already paired.
Channel selection is equally automatic. The WL-50 supports 14 channels across the 2.4 GHz band and scans the spectrum to find the cleanest available frequency every time it boots up. In a venue running house WiFi, other BOSS wireless systems, and whatever Bluetooth chaos the backline crew has going on, the WL-50 simply avoids the congestion and settles somewhere clean. You can run up to 14 BOSS wireless systems simultaneously in the same space without interference — enough for every guitarist and bassist in even a large touring production.
The wireless transmission itself uses BOSS’s proprietary digital audio format. Dynamic range is specified at 110 dB or greater. Frequency response is 20 Hz to 20 kHz. Latency is 2.3 ms — well inside the 5 ms threshold where human perception of delay begins. For context, the signal-processing delay in most digital modelers and effects units is greater than 2.3 ms. If your signal chain already includes a Boss DD-200 delay or a digital reverb, the WL-50’s latency adds nothing perceptible to the picture.
Range is rated at 20 metres (65 feet) line-of-sight, with real-world performance depending on the RF environment. MusicRadar’s reviewer walked out of the room and into an adjacent hallway — well beyond visual line of sight — before the signal dropped. For most stages, that range is more than enough to put you in the crowd and still be playing. For outdoor festivals with vast stages, you will want to be aware of the line-of-sight specification, but for the overwhelming majority of gig environments, the WL-50 goes wherever you go.
Specs That Matter
Famous Players and Verified Users
The spreadsheet brief for the WL-50 correctly notes that secure artist connections for this specific unit are limited — which makes sense for a utility device. Wireless systems do not generate the same player mythology as a Tube Screamer or a Deluxe Reverb. What matters to a wireless system’s story is not who uses it but rather how it performs in the conditions those players demand.
That said, one confirmed WL-50 user stands out. Ally Venable, the Texas blues-rock guitarist whose raw-nerve playing and overdriven Strat tone have made her one of the most talked-about voices in contemporary blues, showed the WL-50 in her pedalboard walkthrough for Sweetwater’s “What’s on Your Pedalboard” series, with the unit clearly visible at the 1:09 mark. Venable’s playing is physical and roaming — she is not a guitarist who stands in one spot — and the WL-50’s ability to hand wireless freedom without altering her Stratocaster’s tone response makes it the logical choice for a player whose signal chain is carefully tuned around a very specific, very transparent sound. Her pedalboard is a testament to the kind of thoughtful gear selection that wireless at this level of fidelity supports: the cable from guitar to first pedal is the one link in the chain that, if replaced with an inferior wireless signal, would unravel the whole sonic architecture.
Equipboard documents two professional artists using the WL-50. Beyond Venable, the documentation at a primary-source-confirmed level is limited, which is an honest picture of where the WL-50 sits: it is used by professionals who value the format, but it does not generate the celebrity gear lists that distinctive-sounding pedals do. That is not a criticism. A great wireless system is one you forget is there. The WL-50 is that system.
Sound Character — Does It Color Your Tone?
This is the question wireless skeptics have been asking since the 1970s. The honest answer for the WL-50 is: it depends on which cable tone mode you use — and with the mode set to Off, the answer is that it is transparent enough that the MusicRadar reviewer called the signal “absolutely fine — nothing noteworthy, which is a good thing.”
The WL-50 is not a tone-transparent pass-through in the way a true-bypass pedal is. Digital conversion always changes something, and A/B tests between the WL-50 and an identical-length passive cable will reveal differences to attentive ears in a quiet studio setting. What the WL-50 does, in the context of a stage with a cranked amp and a room full of people, is replace your cable without adding anything you will miss or complain about.
The 110 dB dynamic range specification matters here. Most passive guitar cables do not fundamentally limit dynamic range at usable output levels. At 110 dB, the WL-50 is not the limiting factor in any realistic guitar signal chain. The Ibanez TS9 Tube Screamer you run into the front of a Marshall JCM800 compresses and saturates the signal far more than the WL-50’s digital conversion does. The wireless transmission is not your tone bottleneck. Your amp is. Your pickups are. Your fingers are.
For active pickup users — EMG-equipped guitars and similar — the WL-50 may require a stereo-to-mono adaptor on the transmitter jack. Some active output circuits interact with the transmitter’s auto-cutoff mechanism differently than passive pickups do. This is a known compatibility note, not a widespread issue, but it is worth testing before your first gig with the system.
Cable Tone Simulation — Why It Matters
The WL-50’s cable tone switch is a small three-position selector on the back of the receiver housing: Long, Short, and Off. Understanding what this switch does explains a lot about how the WL-50 approaches the question of whether wireless can sound like a cable.
A passive guitar cable is not a neutral conductor. At lengths over roughly 15 feet, cable capacitance begins rolling off high frequencies, creating a subtle warmth — or dullness, depending on your perspective — that many guitarists have spent decades listening to without realizing it. Players who grew up with a 20-foot cable from guitar to amp have tuned their rigs around that high-frequency rolloff. Switch them to a transparent wireless system and suddenly the top end they thought was their pickups is back, and the whole rig sounds brighter and thinner than they expect.
The cable tone simulation modes address this directly. Long cable mode replicates the capacitive rolloff of a longer passive cable — approximately 20 feet — putting back the warmth that the wireless path removes. Short cable mode replicates a shorter cable, with less rolloff but still some. Off mode bypasses the simulation entirely, delivering the cleanest possible signal — ideal for active pickups and piezo acoustic systems that already have low-impedance output stages and do not benefit from additional high-frequency rolloff.
For the majority of passive-pickup electric guitar players running into a tube amp — a Fender Deluxe Reverb, a JCM800, a Princeton — the Long cable setting is likely to feel most like a cable, because it is most like a cable. Players whose rigs are calibrated around a very short cable run will find Short mode more familiar. Players using a Fender Stratocaster with single-coil pickups may prefer a little top-end rolloff to tame brightness. The Off setting is there for anyone who wants maximum transparency and is happy to manage the tonal consequences.
The difference between the three modes is real but not dramatic. MusicRadar’s reviewer noted that the modes are “audible, but the difference isn’t massive.” This is accurate. The cable tone simulation is a thoughtful inclusion, not a transformative one. It moves the WL-50 closer to the cable experience rather than replacing it exactly.
Tone Recipes and Real-World Settings
1. Standard Pedalboard Wireless Drop-In (Passive Pickups, Tube Amp)
This is the WL-50’s primary use case. Guitar into transmitter jack. Receiver sits at the head of your signal chain. Cable Tone switch set to Long. Output runs to your first pedal — a Tube Screamer, a Dunlop Cry Baby wah, or whatever goes first. Everything else on the board is unchanged. You have replaced one passive guitar cable with an invisible wireless link. Cable Tone: Long. Play and forget it is there.
2. Active Pickup or Piezo Acoustic Setup (Off Mode)
EMG or similar active pickups already provide a low-impedance, high-output signal with a flat, full-range frequency response. High-frequency rolloff from cable simulation makes these pickups sound dull. Acoustic-electric guitars with undersaddle piezo systems similarly benefit from maximum transparency. Cable Tone: Off. If your guitar’s active output causes transmitter interaction issues, add a stereo-to-mono adaptor on the transmitter jack.
3. Vintage Amp Brightness Taming (Long Cable + Single Coils)
A Stratocaster with stock pickups into a mid-scooped combo at full volume can be aggressively bright. The natural high-frequency rolloff of a long cable is a gentle, free EQ that many players have been using unwittingly for years. On wireless, that rolloff disappears. Set Cable Tone to Long to restore the slight warmth. If still too bright, the rolloff can be supplemented with your amp’s treble control. This is less about “wrong” and more about calibration.
4. Emergency Cable Fallback Mid-Show
The WL-50’s INPUT jack is there for exactly one moment: when something goes wrong. Your transmitter battery dies. RF interference from an unknown source kills the link. Whatever the cause, plug a standard guitar cable into the INPUT jack on the WL-50 receiver and your signal path is restored through the receiver unit. You are back in the chain. The show continues. This is not a feature most players use regularly, but it is the reason professionals trust the system.
5. Transmitter Charging at Soundcheck
Arrive at a venue with a transmitter at 15% battery. Dock it in the powered receiver during setup and soundcheck. Current draw while charging is 320 mA, so ensure your power supply has sufficient headroom — see the power notes below. By showtime, after 90 minutes of charging, the transmitter will typically have recovered enough charge for a full set. Monitor via the LED: green is comfortable, amber means you are in the last two hours, red means plug in a cable.
6. DC Output Power Distribution
When the WL-50 is powered via AC adapter rather than batteries, its DC OUT jack delivers 9V power to other pedals on the board. This is genuinely useful for boards where power supply outputs are at a premium. The WL-50 becomes both a wireless receiver and a power distribution node simultaneously. Current available from the DC OUT is not specified by Boss at a precise figure, so use it for low-draw pedals — tuners, buffers, passive EQ pedals — rather than high-draw units.
7. Soundcheck Room Walk
This is one of the most underrated practical applications of any wireless system. At soundcheck, instead of standing on stage while your sound engineer EQs from front-of-house, you walk out into the room and listen from where the audience will be. Adjust your amp or monitor mix based on what you actually hear at FOH position. This is standard practice for professional touring engineers and it is now trivially easy with the WL-50. Walk 60 feet from your amp and keep playing. The system stays connected.
WL-50 vs The Competition
Boss WL-50 vs Boss WL-20
The WL-20 shares the same 2.4 GHz technology and the same transmitter as the WL-50. The difference is the receiver. The WL-20’s receiver is a floor-standing unit designed to sit at the side of your amp or on a floor stage box — it is not a pedalboard unit. It has no DC OUT jack, no INPUT cable fallback jack, and no pedalboard integration. The WL-50 is better for any player with an organized pedalboard. The WL-20 is better for players who do not use pedalboards at all and want to run directly from guitar to amp via wireless.
Boss WL-50 vs Line 6 Relay G10S
The G10S MKII is the WL-50’s most direct competitor in the pedalboard wireless segment. It has a similar compact receiver footprint and the same direct-to-guitar transmitter design. The G10S offers digital display and manual channel selection. The WL-50’s automatic channel selection is arguably more set-and-forget convenient. Both systems deliver comparable audio quality in the 2.4 GHz digital domain. The WL-50’s DC OUT and cable fallback INPUT jack give it additional utility that the G10S does not match. Price at current retail is competitive between the two.
Boss WL-50 vs Xvive U2
The Xvive U2 is a budget-tier 2.4 GHz compact wireless that operates on a similar form-factor premise — transmitter plugs into the guitar, small receiver unit on the pedalboard. The U2 lacks the WL-50’s DC OUT, cable fallback INPUT, cable tone simulation, battery indicator LED, and Boss’s 5-year warranty. At roughly half the price, it is a legitimate option for players who need basic wireless functionality and are not gigging at a level where the WL-50’s additional reliability features pay for themselves. Players who gig regularly will find the WL-50’s build quality and support structure worth the difference.
Boss WL-50 vs Shure BLX14
The Shure BLX14 operates in the UHF spectrum rather than 2.4 GHz, which gives it theoretical interference advantages in the consumer 2.4 GHz congestion zone. It is a half-rack receiver system with a traditional body-pack transmitter — a professional-tier solution that does not integrate with a guitar pedalboard at all. It operates at a different price tier and a different use-case category. Players doing stadium productions with full RF management may choose UHF systems. Players building a pedalboard will choose the WL-50.
Buying Guide — Who Is This For?
The WL-50 earns its place in your rig under a very specific set of circumstances, and it is worth being honest about when it does and does not make sense.
It is the right call if you are a gigging guitarist with an established pedalboard who is tired of managing the cable from your guitar to your first pedal. It is especially the right call if that cable has caused a problem onstage — pulled a jack, wrapped around a mic stand, killed signal mid-song. The WL-50 is permanent infrastructure, not a weekend toy. It goes on the board and stays there.
It is also the right call if you move a lot while you play. The difference between a guitarist tethered to a 10-foot cable and a guitarist working the whole stage changes the energy of a live performance for the audience as much as for the player. The WL-50 is not just a convenience purchase. It is a performance tool.
It makes less sense if you play exclusively in a fixed position — seated acoustic gigs, studio session work where you sit three feet from your amp, home practice setups. The WL-50 solves a problem of movement. If you are not moving, the problem does not exist and the investment is not justified.
The power supply math deserves attention at the buying stage. The WL-50 draws 60 mA during wireless operation and jumps to 320 mA while charging the transmitter. If your pedalboard power supply has 250 mA outputs, the WL-50 will draw over its output capacity during charging cycles. Pair the WL-50 with an isolated 500 mA output from a power supply that can handle it — units like the Strymon Zuma, Truetone CS12, or Cioks DC7 are built for exactly this kind of variable-draw scenario. The bundle version of the WL-50 includes a Boss PSA AC adaptor specifically to avoid this calculation.
Living With the WL-50 — Ownership Notes
The transmitter’s auto-cutoff mechanism — the button that is depressed when the transmitter is plugged into a guitar — solves the signal-pop problem elegantly but creates a subtle battery drain issue. When the transmitter is docked in an unpowered receiver, the button is depressed, and the transmitter enters a slow drain standby mode rather than a full off state. The fix is simple: when the receiver is not powered and the transmitter is docked for storage, pull the transmitter out of the dock by a few millimetres so the button is not depressed. It still sits neatly in the housing but is not draining.
The Jazzmaster caveat from MusicRadar is worth noting for players of offset-body guitars. The transmitter is a rigid unit with a fixed jack angle — it does not articulate like an L-shaped cable jack. In most guitar body cavities this is not an issue, but in guitars where the output jack is angled unusually or is in an awkward position relative to the strap button, you may feel the transmitter more than you would a normal cable. Try it before buying if you play an instrument with a non-standard output jack configuration.
The Boss 5-year warranty is the longest standard warranty in the Boss compact lineup and is worth factoring into the total cost of ownership. Wireless systems have more potential failure points than passive signal processors — RF circuitry, charging circuits, battery chemistry. Boss backs the WL-50 with a five-year window, which is the company’s statement that they expect this unit to last.
Frequently Asked Questions
Does the Boss WL-50 affect my tone?
On the Off cable tone setting, the WL-50 is transparent enough that most players will not perceive a difference from a cable in a live context. The cable tone simulation modes (Long, Short) add intentional high-frequency rolloff to match cable behaviour. In a controlled studio comparison, some differences may be audible. On a stage, the WL-50 sounds like your rig.
Can I use the WL-50 with my pedalboard power supply?
Yes, but you need an isolated output capable of delivering at least 60 mA during wireless operation and up to 320 mA while charging the transmitter. Many standard 100 mA or 200 mA isolated outputs will be insufficient during charging cycles. Use an isolated 500 mA output for reliable operation, or use the included/bundled PSA AC adaptor with its own dedicated supply.
How long does it take to pair the WL-50?
Initial pairing takes approximately 10 seconds — dock the transmitter in the receiver while the receiver is powered. After that, the units pair automatically every time they are powered on together. There is no re-pairing required between sessions.
What happens if my transmitter battery dies mid-set?
Plug a standard guitar cable into the WL-50 receiver’s INPUT jack. Your signal passes through the receiver unit via the cable connection and the show continues. The battery LED gives advance warning — amber when under two hours remain, red when power is urgent. Monitor it during soundcheck.
Can I use the WL-50 with active pickups?
Most active pickup guitars work with the WL-50 without modification. A small number of active systems with stereo output jacks may require a stereo-to-mono adaptor on the transmitter to avoid interference or signal issues. Test before your first performance if you have active pickups.
Is the WL-50 compatible with bass guitar?
Yes. The WL-50 works with bass as well as guitar. The cable tone simulation Long and Short modes apply equally to bass signal chains, and the 20 Hz to 20 kHz frequency response captures the full range of bass frequencies. Set Cable Tone to Long for passive basses, Off for active electronics.
How does the WL-50 differ from the Boss WL-20?
They share the same transmitter and the same core wireless technology. The WL-20 receiver is a floor-standing unit designed to sit near your amp, not on your pedalboard. The WL-50 receiver is a stompbox-format unit designed to live on your board permanently, with a DC OUT jack to power other pedals and an INPUT jack for cable fallback. If you have a pedalboard, the WL-50 is the correct choice.
Can I run multiple WL-50 systems at the same gig?
Yes. Up to 14 BOSS wireless systems can operate simultaneously in the same space without interference. That covers the full band — every guitarist, bassist, and any other wireless user — with room to spare. Automatic channel selection handles the frequency management; you do not need to manually assign channels.