Description
Product Overview
The Harrison Labs FMOD optical RCA crossover cable is engineered to bring professional‑grade audio precision to consumer electronics. Built with a 24kt gold‑over‑brass connector system, the cable ensures low resistance pathways and minimal signal loss, preserving the integrity of high‑frequency content while delivering deep, controlled bass response. The active crossover simulation embedded within the cable’s circuitry intelligently separates audio signals, allowing subwoofers to receive only the frequencies they are designed to reproduce, which results in cleaner overall sound reproduction.
Measuring 4.41 x 3.35 x 0.43 inches and weighing just 1.44 ounces, the cable is compact enough to fit discreetly behind televisions, projectors, and desktop monitors without adding clutter. Its male‑to‑female RCA configuration provides a universal connection option for a wide range of devices, including televisions, projectors, laptops, and desktop computers. The cable supports a frequency range up to 20,000 Hz and can handle up to 10 watts of power, making it suitable for both modest home theater setups and more demanding audio environments.
Every unit complies with RoHS standards, ensuring that hazardous substances are limited in its construction, and it carries a one‑year manufacturer warranty that reflects Harrison Labs’ confidence in product durability. The cable’s design incorporates a 12dB per octave slope, a common industry standard for smooth crossover transitions, which helps to avoid abrupt changes in audio output that can cause listener fatigue. The combination of high‑quality materials, precise engineering, and thoughtful design makes this cable a reliable component for anyone seeking to enhance their audio system.
![[Product front view showing all components]](https://www.avvex.store/wp-content/uploads/2026/06/02666c79d42e4e3e99a431ad95646951.jpg)
Usage
In a typical home theater configuration, the FMOD optical RCA crossover cable connects the audio output of a television to a dedicated subwoofer or external amplifier, allowing the system to delegate low‑frequency duties to the subwoofer while the main speakers handle mids and highs. This separation improves clarity and reduces distortion, especially in dynamic movie scenes where bass impact is critical. The cable’s active crossover simulation also benefits gaming setups, where precise audio cues can give players a competitive edge.
For office environments, the cable can be used to connect a desktop computer to a set of high‑fidelity speakers, delivering clearer conference call audio and richer music playback. Its indoor‑only rating ensures optimal performance in climate‑controlled spaces, and the robust construction means it can withstand frequent plugging and unplugging without degradation. Whether installed in a living room, a home office, or a small studio, the cable provides a straightforward upgrade path for improving sound quality without the need for complex wiring or additional hardware.
Why Choose Us
Harrison Labs has a long history of delivering audio components that balance performance with affordability. This crossover cable benefits from the company’s extensive research into signal integrity, resulting in a product that minimizes interference and maximizes clarity. The use of 24kt gold plating over a brass core not only enhances conductivity but also resists corrosion, extending the lifespan of the connectors even in environments with fluctuating humidity.
Beyond the physical attributes, the FMOD cable offers a unique active crossover simulation that is typically found only in dedicated audio processors. By integrating this technology directly into the cable, users gain the advantages of precise frequency management without additional equipment, simplifying installation and reducing overall system cost. The product is backed by a responsive customer support team that provides technical assistance, warranty service, and guidance on optimal setup configurations.
Key Features
- Gold‑over‑brass connectors deliver superior conductivity and long‑term durability.
- Active crossover simulation provides precise frequency separation for clearer sound.
- Compact, lightweight design fits easily behind most AV equipment without clutter.
- Supports up to 10 watts and 20 kHz, suitable for a wide range of audio devices.
- One‑year warranty and dedicated support ensure confidence in your purchase.
FAQ
What devices are compatible with this cable?
The cable works with any device that has RCA outputs or inputs, including televisions, projectors, desktop computers, laptops, and most home audio receivers. It is also compatible with many subwoofer units that accept RCA connections.
Do I need additional equipment to use the active crossover feature?
No additional hardware is required. The active crossover simulation is built into the cable’s internal circuitry, so simply connect the cable between your source and the target device to benefit from the frequency filtering.
Can this cable be used outdoors?
The FMOD cable is rated for indoor use only. Exposure to extreme temperatures, moisture, or direct sunlight may affect performance and durability. For outdoor installations, consider a cable specifically rated for outdoor environments.
How does the 12dB/Octave slope affect audio quality?
A 12dB per octave slope provides a smooth transition between frequency bands, reducing the likelihood of audible artifacts or abrupt changes in sound. This results in a more natural and pleasant listening experience, especially when integrating subwoofers with main speakers.
What is covered under the one‑year warranty?
The warranty covers any manufacturing defects in materials or workmanship. If the cable fails due to a defect within the first year of normal use, Harrison Labs will repair or replace it at no additional cost to the customer.





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