DSP音频处理器汽车功放调音台数字迷你DSP模块板android app Vcan1783
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目录
DSP音频处理器汽车功放特点
- 4-方式低电平输入, 4-方式高电平输入, 高清蓝牙输入
- 4-路放大器输出, 8-一路RCA输出.
- 输出路由功能, 每个输出通道可选择输入信号源.
- 8×31 段PEQ, 多斜率高通和低通功能.
- 8 通道具有独立延时调节功能.
- 输出功率 (14.4V电源, 包括线路损耗):
- 有效值: 4x30W@4Ω, 总谐波失真<1%; 4x38W@4Ω, 总谐波失真<10%;
- 4x55W@2Ω, 总谐波失真<1%; 4x68W@2Ω, 总谐波失真<10%;
- 峰: 4x72W@4Ω, 4x136W@2Ω;
- 完善的保护: 零电流电源反接保护, 欠压保护, 过压保护, 负载突降保护, 功放输出短路保护, 等等.
- 高清蓝牙V4.2.
- 处于启动模式, 开关选择ACC或高电平启动.
- 支持Android程序调优和PC调优
- 8 EQ模式可预设.
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DSP音频处理器汽车功放规格
注意: 以下指标及图表均使用4Ω负载, 全部使用APX515音频分析仪, 室内环境温度25℃, 专线电源两端电压为14.4V.
参数 |
测试条件 |
最低限度 | 典型 | 最大 | 单元 | ||
高输入阻抗 | 10 | 哦 | |||||
低输入阻抗 | 15ķ | 哦 | |||||
高输入电压 | 根据前级功放制定. 当达到前级最大有效值时, 功放输出最大功率. | 0.05 | 6 | 10 | 有效值 | ||
低输入电压 | 根据前级功放制定. 当达到前级最大有效值时, 功放输出最大功率. | 1.0 | 1.2 | 有效值 | |||
连续输出功率 | 4负载Ω, 1K 正弦波, 全功率连续负载测试超过 20 分钟, 总谐波失真<1%, A计权 | 30 | W¯¯ | ||||
4负载Ω, 1K 正弦波, 全功率连续负载测试超过 20 分钟, 总谐波失真<10%, A计权 | 38 | W¯¯ | |||||
通道1~通道8, 输出电压, 最大 | 对应功放通道输出THD时的输出值<1%, 此时, RAC 输出 THD<0.02%. | 2 | 有效值 | ||||
频率 | 0~-3dB | 20 | 20ķ | 赫兹 | |||
总谐波失真 + 噪声
总谐波失真+噪声 |
广播频道 | 4负载Ω, 1输出功率 | 0.05 | % | |||
通道1~通道8 | 1有效值输出, APX515输入阻抗200KΩ | 0.02 | % | ||||
噪音水平 | 广播频道 | 4负载Ω, A计权 | -75.5 | 例如 | |||
通道1~通道8 | A计权, APX515输入阻抗200KΩ | -96.5 | |||||
序列号 | 广播频道 | 4负载Ω, 30输出功率, 1K 正弦波, A计权 | 94 | 96 | 分贝 | ||
通道1~通道8 | 1有效值输出, APX515输入阻抗200KΩ, A计权 | 94 | 96 | ||||
动态范围 AES17 | 广播频道 | 4负载Ω, 1K 正弦波, 信号电平范围-60dB, A计权 | 88 | 90 | 分贝 | ||
通道1~通道8 | 1有效值输出, 输入阻抗200KΩ, A计权 | 88 | 90 | ||||
相声 | 广播频道 | 4负载Ω, 30输出功率, 1K 正弦波, A计权,
绝对值 |
70 | 分贝 | |||
频道1 & CH8 | 70 | ||||||
SMPTE | 广播频道 | 4负载Ω, 半功率输出, 频率 1: 扫频40~1kHz, 频率 2:7千赫, 振幅比 4:1. | 0.069 | % | |||
通道1~通道8 | 1有效值输出, APX515输入阻抗200KΩ, A计权 | 0.05 |
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DSP音频处理器汽车功放输入 / 输出定义
前面板
1. PC主机USB接口.
2. 启动开关选择:
* 高: 高电平音频信号激活, 并且ACC激活也有效.
* ACC: 钥匙门开关已激活.
3. 电源指示灯
4. 汽车放大器通用接口.
* ACC为钥匙开关端子.
* The positive and negative poles of the power supply are connected to the +12V power supply of the car.
*REMO output pin.
* High-level signal input terminal.
*产量, connected to the car horn.
5. WIFI control switch (after adjusting the sound effect on the Android platform, turn the switch to the “离” 位置, especially for new energy vehicles, you must turn off the wifi power supply after adjusting the sound effect, because the new energy radiation interference is more serious, which will affect the sound quality )
Back Panel
1. Low-level signal input RCA socket
2. Subwoofer and center low-level signal output RCA socket (can be connected to active subwoofer and active center speaker)
3. Low-level signal output RCA socket
4. Connect the WIFI antenna
5. Internal prefabricated sound field sound effect mode switching
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DSP音频处理器汽车功放注意事项:
- 为了安全起见, 您不能未经授权使用更大的保险. 专线标准保险应为15A.
- 适用于20PIN特殊线材, 电源线径不小于美标16AWG, 功放输出线径不小于美标20AWG.
- 本产品仅适用于汽车12V供电系统.
- 电源线不能接反, 除此以外, 不起作用.
- 当DSP放大器连接到超过18V的供电环境时, 它将自动静音并保持待机模式, 符合国家标准GB/T28046.2-2011. 当功放打开后没有声音输出时, 请检查电源电压是否超出使用要求.
- 瞬态抑制P5标准, 按GB/T21437.2-2008要求, 默认为 P5a, 87V/100ms/8Ω 标准实现. 如果汽车的发电机电压调节器损坏并超出瞬态抑制范围, 产品可能会损坏.
- 本产品功放仅支持4Ω以上负载. 如果6.5英寸全频扬声器阻抗小于4Ω (如3Ω或2Ω), 功放芯片低频可能过载 “爆炸” 状态, 大约会在之后发布 2 几秒钟的沉默. 沉默的. It is not recommended to use a load below 4Ω for low-frequency scene applications.
- High-level audio signal power-on is only suitable for the situation where the head amplifier has a DC bias of >4.5V when the power-on is static. It is not suitable for occasions where there is always a DC bias output after the head unit is turned off, or where there is no bias output when the car is turned on.
- Please configure the ACC power-on or high-level power-on reasonably. If the configuration is unreasonable, the DSP power amplifier may be in the power-on state after the head of the car is turned off, resulting in a large standby current and shocking sound when switching on and off.
- REMO output, there will be output only after the DSP power amplifier is turned on and unmuted, 关闭电源时DSP功放静音,输出将被切断. REMO的输出能力有限, 所以它不应该用来驱动其他负载.
- 安装功放时, 产品散热口不得有任何障碍物遮挡, 除此以外, 长期使用可能会影响产品的寿命.
- 对于低电平输入, RAC端子的地是否与DSP功放外壳接触, “飞机声音” 可能会被介绍, 请更换RCA线.
DSP Mixer PC软件和Android手机APP下载
PC DSP 混音器软件下载
https://drive.google.com/file/d/1YWbP33FIZqP0Po6BYLGk_K-MVULFP7WG/view?usp=sharing
安卓手机APP下载
https://drive.google.com/file/d/1b3XltU0G7LexRqKgIRjF5jOTE04MIVSX/view?usp=sharing
选购配件
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