Engine Noise Filter Reduce and eliminate engine noise

LEBN-15A 15Amps Engine Noise Filter effectively reduces and eliminates various electromagnetic interference noise generated by engine operation, ensuring stable operation and pristine sound quality for in-car audio systems. Rated at 15 amps (RMS), this filter is suitable for most mid- to high-power car audio systems, meeting both everyday and professional audio modification needs. In a car, the engine and electrical system often introduce noise signals, causing interference such as hum and static in the car's audio system, seriously affecting the listening experience. The LEBN-15A uses advanced filtering technology to effectively suppress these unwanted interference signals, ensuring a clear and stable sound transmission path, thereby improving the overall performance of the audio system and delivering purer, more detailed music. Its compact design, measuring 78mm wide, 94mm long, and 45mm high, makes it easy to install within the limited space of a vehicle. Its rugged and durable construction withstands the complex environment of a car interior, resisting shock and dust, ensuring long-term stable operation. Installation is simple and compatible with a wide range of vehicle models and audio system configurations, allowing for quick integration without complex modifications, enhancing user convenience.

The LEBG-2 is a professional ground loop isolator and noise filter specifically designed to address ground loop-induced noise in car audio systems. Ground loops are a common source of interference in car audio systems, often causing annoying background noise such as hum and hiss, which severely impacts the in-car music experience. The LEBG-2 effectively isolates ground loops and completely eliminates these noises, ensuring clear and pure sound quality for your car audio system. Measuring 78mm wide, 94mm long, and 45mm high, its compact size makes it easy to install in limited interior space. Whether for professional audio conversions or routine car audio maintenance, the LEBG-2 easily integrates into your system and delivers its powerful noise reduction. The LEBG-2 utilizes highly efficient isolation technology to effectively separate interfering signals from the audio signal, preventing noise from transmitting through the circuitry to the audio equipment. This prevents electromagnetic interference from the engine and other electronic components from affecting audio playback, ensuring a purer audio output and an enhanced listening experience.

NSTE-4020 is a compact, stable, four-channel, full-range Class D amplifier designed for in-vehicle and outdoor applications, particularly for space-constrained users who demand high-quality sound and durability. Its compact dimensions of just 138mm × 96mm × 49mm make it easy to conceal and easily install, while also offering a wide range of placement options for motorcycles, electric vehicles, ATVs, and boats. Operating at 14.4V, each channel supports stable operation into a 2-ohm load, with a single channel delivering 20W RMS power with less than 1% distortion, ensuring clear and smooth sound quality. The NSTE-4020 features a fixed input sensitivity of 2V, compatible with standard audio sources, simplifying setup and lowering the barrier to entry. Dedicated TE waterproof connectors effectively prevent moisture and dust from intruding, enhancing system reliability in humid, dusty, or even lightly splashed environments. It is ideal for motorcycle audio upgrades, open-back vehicle audio systems, and other applications requiring high weather resistance.

NSBT-HUB is a multi-functional Bluetooth hub device that integrates Bluetooth transmission and reception functions, designed specifically for wireless upgrades to audio systems. Whether used as a Bluetooth transmitter, converting wired audio sources into wireless signal output, or as a Bluetooth receiver, receiving audio signals from mobile devices, it can easily handle the tasks, greatly enhancing the flexibility and wireless convenience of audio systems. The NSBT-HUB supports master-slave mode switching: in master mode, audio signals from the AUX input or Bluetooth can be wirelessly transmitted to Bluetooth-enabled audio devices, headphones, or speakers for efficient audio transmission; in slave mode, Bluetooth audio signals can be received from mobile phones, tablets, and other devices, and connected to an amplifier or audio system via the RCA output interface for playback, easily achieving a wireless upgrade for traditional audio systems. The product supports a stable Bluetooth transmission distance of up to 30 meters, effectively avoiding disconnection and delay issues, and ensuring a high-quality audio transmission experience. It also features a volume adjustment knob, allowing users to directly control the volume without relying on external devices, making operation more intuitive and convenient.

EQN-408 four-band parametric equalizer is a powerful yet user-friendly audio processing device designed for users seeking precise sound quality. It features four independent frequency bands: bass, mid-bass, midrange, and treble, allowing users to fine-tune the sound quality of each frequency range. Whether enhancing the impact of low frequencies or improving the clarity of high frequencies, the EQN-408 easily delivers richer and more layered music. With a gain slope of up to 18dB, the equalizer delivers powerful and precise frequency boost or attenuation, effectively correcting frequency deficiencies in audio systems and optimizing overall sound quality. The device supports an AUX input and is compatible with a variety of audio sources, allowing users to connect to mobile phones, tablets, computers, and other devices for comprehensive sound source adaptation. Whether playing high-fidelity music or enjoying everyday entertainment, the EQN-408 provides stable operation, ensuring the audio signal is processed for optimal sound quality.

EQN-708 seven-band parametric equalizer is a professional-grade audio processing device designed for users who demand the ultimate in sound quality. Covering seven key frequency bands—50Hz, 125Hz, 315Hz, 750Hz, 2.2kHz, 5kHz, and 16kHz—it covers a wide range from low to high frequencies, enabling detailed adjustment of the sound performance in each frequency band. Whether enhancing the depth of bass or enhancing the clarity of treble, the EQN-708 precisely delivers, enriching your audio experience with richness and depth. Supporting up to 18dB of gain boost, this equalizer effectively adjusts the intensity of each frequency band, enhancing sound quality with fullness and expressiveness. With precise frequency adjustment, users can easily eliminate ambient sound interference or system sound quality deficiencies, achieving the ideal listening experience. The EQN-708 maintains its compact and lightweight design, measuring 180mm long, 120mm wide, and 20mm high, making it flexible and adaptable to various environments. Whether it is a car center console, an audio equipment stand or a recording studio mixing console, it can be easily placed without taking up too much space, keeping it neat and beautiful.