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This polyester fiber filling has an ideal density for speaker construction, occupying minimal internal volume while enhancing the fullness of the bass.
It effectively prevents most high-frequency sounds from escaping through the speaker's port, providing excellent isolation for high-frequency sounds.
In addition to using it for regular speaker construction, you can also apply it to car audio installation and repair.
Absorb standing waves from the low frequency of the cabinet, make the bass clearer.
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Perfect Hifi Sound -- Ensuring large load capacity, long-term durability and very good sound quality.Make the treble clear, enrich the alto effect, and increase the intensity of the bass, freely enjoy clear and natural music.Small switch can adjust the treble (normally 3db can be added).
Function -- The function of the frequency divider is to separate the mixed analog audio signals into high-pitched, mid-range and low-pitched parts, and then respectively send them to the corresponding high, medium and low woofer units for playing, thereby achieving the purpose of improving the sound quality.
Frequency Divider -- This is a tweeter+mediant+bass three-way KTV, stage professional speaker crossover and DIY upgrade tool which is to improve audio quality.This is a professional frequency divider, which is widely installed in the speaker.
The board has a power on delay (about 3 seconds) and DC protection (starting control voltage around 1V) function.
The board circuit is simple, the wiring is easy and the work is safe and reliable. With LED work indicator, it is extinguished when protection, and lights up when normal work. 30A high current relay, suitable for high-power amplifier.
2.0 Channel high-power speaker protection board, double-sided PCB tinned 1.6mm, UPC1237 speaker protection chip, PB12N step-down module, audio wiring with 7.02 terminals. Full sealed large current relay, it can control power 900W, overcurrent 30Ax2.
【Wide Range of Applications】-- These Facmogu speaker grills cover are extremely durable and corrosion resistant, which are ideal for Home Theater, Marine and Automotive applications. They also suitable for DIY speakers decorative circle.
【Pack & Size】-- 2PCS Speaker Covers + 2PCS Mounting Rings + 8 Screws. Outer Diameter: 8.85"/225mm, Diagonal Screws Spacing: 8.15"/207mm, Inner Diameter: 7.28"/185mm. Please allow for the tiny measurement error ±1mm / 0.04" and check the specification sizes carefully before ordering!
【Durable Metal Construction】-- The metal mesh is made of cold rolled steel, while the outer ring is made of ABS Plastic. These Black cold rolled steel grills match any decor.
[Two Input Methods] It has two audio input methods: Bluetooth and 3.5mm AUX. Bluetooth 5.0 version, higher transmission efficiency, transmission distance up to 49 feet (no obstruction).
[Treble and Bass Adjustment] 2.1 channel, maximum output power 2X50W+100W. By adjusting the high and low frequency knobs, you can make the sound more layered and the bass more shocking.
[Protection Function] It has short circuit protection, overcurrent, overheating, and anti-reverse connection protection. When an overload occurs, the device reports the fault condition to the processor to protect itself from damage.
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