Senior and old enthusiasts pursue the ultimate analog flavor. The younger generation of players pursue digital audio streaming. Car audio has been controversial since the rise of digital audio technology. Some people think that DSP digital audio processing is full of digital flavor, stable but untrue. Some people think that with the progress of science and technology, playing with the complex system of multi-channel panoramic sound and accurate digital audio multi segment processing are indispensable. Digital audio has been more and more recognized and respected by enthusiasts in recent years, no doubt because it is more high fidelity and lossless. At the same time, digital audio is easy to store and spread, easy to share and other forms meet the needs.
360 auto.com evaluated Japan's adpzest's asp463bt digital player at the beginning of the year. In fact, this brand has launched its flagship mxr900 processor and supports multiple groups of optical fiber digital signal playing methods. Japan's addzest brand has always had a unique insight and persistence in digital audio HD lossless music. Its products are accurately positioned for fever lovers and riders. On the basis of asp463bt, this series of products focusing on digital audio playing method has improved the product. Asp464bt brings more comprehensive professional functions, so that each car can have multi-channel sound effects of luxury cars.
To be the optical fiber expert in the automotive audio industry
Asp464bt continues the characteristics of the series in terms of sound source and continues to strengthen the lossless music processing capability. As a digital player, a group of optical fiber digital signal interfaces are added on the basis of four-way high-level signal input and two groups of aux signal input, which can be connected to large screen car or DSD host with digital signal optical fiber output capability. Of course, asp464bt also supports FLAC, WAV, ape, wma MP3 and other high format music. The optimized design of Japan addzest greatly activates the ability of the machine to correspond to HD audio streams, and also lays the foundation for the next upgrade core.
31 segment EQ precise adjustment
Corresponding to the design adopted by a wide range of DSP processors, the gain accuracy of each section is 0.1dB, the maximum delay calibration is 20ms, and the accuracy is 0.021ms; The accuracy of active frequency division frequency point is 1Hz, three filters are optional, the slope is 6-48db / Oct. adjustable, and the frequency range is 20Hz-20KHz. The main functions of these DSP processors are asp464bt. The core upgrade of the machine is to bring high-precision 31 segment EQ balance. When the tuner processes the waveform of each segment of the sound field, the more segments, the more accurate. At the same time, the corresponding PC section tuning software and featured applet tuning have 31 section EQ balance, that is, whether it is the professional sound correction connected to the computer in the store or the temporary adjustment in the car, it can achieve accurate balanced adjustment.
There is accurate EQ balance to adjust the tone, and the asp464bt has a power amplification part to solve the problem of active frequency division. The 4-in-6-out design adopts imported high-end components, the rectifier capacitor provides sufficient power, and is matched with precision calibrated operational amplifier, fever audio capacitor and resistance. It supports 4-channel stable output of 55W per channel and can be used as a fully active two frequency division system
Audition system
Sound source: Japan addzest nxv-810hd full function sound quality large screen machine / processor: Japan addzest asp464bt / Speaker: Japan addzest srt1652 / Bass: Japan addzest srv860a
Summary: from the layout of the product, the full-function audio quality large screen car machine was launched earlier to support DSD lossless audio and optical fiber output. Pursue hi end multi-channel play, with flagship mxr900 processor to match; Corresponding to the pursuit of most enthusiasts, this asp464bt player is a bridge to undertake the system and can be used as a powerful tuning and sound correction support for the full-function sound quality car machine. It is reported that in the future, Japan addzest will launch power amplifiers supporting optical fiber signals. With high anti-interference ability of optical fiber and lossless quality transmission, it can be said that Japan addzest is definitely the high-quality digital audio master of car audio at present,
Japan addzest asp464bt parameters / output power: 4CH × 55W / SNR: 105dB / thd harmonic distortion: ＜ 0.01% / frequency response: 20Hz-20KHz / rated impedance: 4 Ω / free floating point: 31 segment EQ / music format: FLAC, WAV, ape, wma, MP3 / Bluetooth: 5.0 / size: 215mm × 135mm × 50mm