PROEL BULK140LU3 - Balanced Signal Cable 6.3 mm TRS Jack to 6.3 mm TRS Jack (3 Meters)
The Proel BULK140LU3 represents the standard of reliability and performance in the world of professional audio. Part of Proel's acclaimed "BULK" series, this 3-meter assembled cable has been designed for sound engineers, musicians, and producers who cannot afford to compromise on signal integrity. Unlike generic cables, this unit combines high-quality Italian engineering with a robust construction, guaranteeing transparent, interference-free audio transmission in any environment, from home recording studios to live stages.
At the heart of this cable is the HPC225 conductor, a low-capacitance balanced microphone cable made from Oxygen-Free Copper (OFC) . This material is crucial for maintaining tone purity and ensuring that high frequencies are not lost along the way. Furthermore, its internal structure is protected by a high-density red copper spiral shield, which acts as an impenetrable barrier against electromagnetic interference (EMI) and radio frequency interference (RFI), common in environments filled with electronic equipment.
Durability is ensured thanks to Proel's professional S4CPRO connectors. These 6.3 mm stereo (TRS) jacks feature a die-cast aluminum metal housing and nickel-plated contacts that resist corrosion and wear from continuous use. Whether connecting your studio monitors to your interface or interconnecting rack equipment, the BULK140LU3 offers a solid mechanical connection and flawless signal transfer.
Main features
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True Balanced Transmission: Designed with three conductors (Tip-Ring-Sleeve) to cancel noise and hum, allowing longer cable runs without signal degradation.
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S4CPRO Metal Connectors: 6.3 mm Jack plugs made of die-cast aluminum, designed to withstand stomping, pulling and the rigors of live performance.
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HPC225 High Fidelity Cable: OFC copper core that guarantees superior conductivity and a flat frequency response faithful to the original source.
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Efficient Shielding: The copper spiral screen covers a large part of the internal surface, eliminating background noise for absolute silence when there is no signal.
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Flexibility and Resistance: The outer PVC cover is soft to the touch and flexible for easy rolling, yet tough enough to withstand abrasion.
Benefits for your audio setup
The main benefit of the PROEL BULK140LU3 is technical peace of mind . By using a balanced TRS connection, you eliminate the risk of ground loops and unwanted noise that often ruin studio recordings. For producers, this means cleaner mixes and accurate monitoring. For live musicians, it means their gear (such as keyboards or stereo synthesizers) will reach the mixing console with maximum power and clarity.
Furthermore, the investment in high-quality metal connectors ensures you won't need to replace the cable after just a few months. The BULK series is known for its excellent value, offering high-end performance (low capacitance, zero noise) accessible to all production levels.
Recommended use cases
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Studio Monitors: The standard connection to carry audio from your sound interface (TRS output) to your active speakers.
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Equipment Interconnection (Patching): Ideal for connecting external compressors, equalizers, and effects processors that use 1/4" balanced inputs and outputs.
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Stereo or Balanced Instruments: Perfect for keyboards, synthesizers, drum machines or advanced guitar pedalboards that have stereo or balanced outputs.
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Line Signal Transmission: Any application that requires moving line-level audio between mixing consoles and amplifiers.
Frequently Asked Questions
Is this cable suitable for connecting a regular electric guitar to an amplifier?
Technically, the connector fits, but it's not recommended . Guitars typically use unbalanced "mono" (TS) cables. Using this TRS cable could cause signal problems or noise depending on how your guitar's jack is wired. For guitar, look for the BULK100 model (Mono Jack).
Is it a stereo or balanced mono cable?
Physically, it's the same. It can carry an unbalanced stereo signal (like from a headphone output to a stereo input) or a balanced mono signal (like from an interface to a monitor). Its most professional use is as a balanced mono cable.
Can the connectors be opened for repair?
Yes, the S4CPRO connectors are detachable, allowing for future repairs if the cable is accidentally cut, extending the product's lifespan indefinitely.
Project description
Professional 3-meter assembled balanced signal cable, model PROEL BULK140LU3. Constructed with low-capacitance HPC225 cable, 24 AWG Oxygen-Free Copper (OFC) conductors, and red copper spiral shielding with over 90% coverage. Terminated at both ends with Proel S4CPRO 6.3 mm (1/4") male stereo jack connectors, featuring die-cast aluminum housing, nickel-plated contacts, and flexible cable protection. The outer jacket is made of flexible black PVC with a total diameter of 6.5 mm, suitable for professional studio and live audio applications.
