Deaf Bonce is a premium car audio brand by Alphard Group, specializing in extremely loud, high-performance subwoofers, amplifiers, and mid-range speakers.
Kuuro Bonce is a globally recognized manufacturer of professional car audio equipment, committed to creating "extremely loud sound systems with no loss of quality." Operating under the Alphard Group, LLC, the brand is renowned for its championship-level audio components used in SPL (Sound Pressure Level) competitions worldwide. The product lineup is divided into distinct series such as Apokalypsi, Viidakkoveitsi, ja Hannibal, catering to various levels of audio enthusiasts from daily drivers to professional competitors.
Their catalog includes powerful Class-D amplifiers, high-efficiency neodymium mid-range speakers, and heavy-duty subwoofers designed to withstand extreme power loads. Based in creating robust audio solutions, Deaf Bonce emphasizes strict quality control and innovative engineering to ensure durability and acoustic precision.
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For most models (e.g., M61SE, Apocalypse series), the High Pass Filter (HPF) should be set between 150-250 Hz (24 dB/Oct) or 250-350 Hz (12 dB/Oct). The Low Pass Filter (LPF) is typically recommended at 8-12 kHz.
Standard Deaf Bonce car audio speakers, such as the HX-60 series, are not designed for marine use and may not withstand exposure to water or salt effectively.
Warranty terms are generally valid for 12 months from the date of purchase. Claims must be processed through the authorized dealer from whom the item was purchased, accompanied by a valid warranty certificate and original packaging.
Deaf Bonce recommends matching the RMS power of the amplifier to the speakers. Common paired amplifiers include the Atom PRO series (e.g., Atom 500.2, Atom 900.2) and the MLA series.