12 Volt Media International

Ezy-DSP 612 For Down4sound

Introducing the EZY-DSP612: The Ultimate Car Audio DSP Solution



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Subscribe to get exclusive content and recommendations every month. You can unsubscribe anytime.

Key Takeaways

Feature Description
Superior Dynamic Range Dynamic range of ≥100dB
Exceptional Signal-to-Noise S/N ratio of ≥102dB
Minimal Distortion THD+N of ≤0.05%
Wide Frequency Response Frequency response from 20Hz to 20kHz
High-Resolution Sampling 48kHz/24Bit sampling rate
Inputs and Outputs 6 channels RCA, built-in TRUE APTX-HD Bluetooth, optical/coaxial inputs, 12 channels RCA outputs
Comprehensive EQ and Filters 31 band EQ, high-low pass filters with multiple slopes and types
Phase and Delay Adjustment Phase (0° to 360°), delay (up to 20ms, 692 cm, 273 inches)
Secure Tuning Send, receive, and encrypt tuning files
Advanced Features Noise gate switch, limiter, minimum source attenuation, shutdown delay, and 6 presets
Efficient and Reliable Low dark current <3mA, wide voltage range (DC9V ~ 16V)
Built to Last Operating range of -30°C to 70°C (-22 – 158°F)


The EZY-DSP612 from Ezy AudioParts represents the pinnacle of car audio tuning technology, specifically designed for Down4sound enthusiasts. Combining user-friendly operation with advanced features, the EZY-DSP612 offers unparalleled control and customization for your audio system.

EZY features:

  • 6 channels RCA inputs
  • 12 channels RCA outputs
  • Built-in TRUE APTX-HD Bluetooth – LATEST & GREATEST

+Wireless Connectivity

Enjoy seamless connectivity with built-in TRUE APTX-HD Bluetooth, offering long-range streaming and connectivity. You can be half an acre away and still stream in high resolution. The EZY-DSP612 also includes optical fiber and coaxial options for versatile connections, allowing you to connect your radio or stream directly in true high-definition

+Advanced DSP Technology

At the heart of the EZY-DSP612 is a powerful DSP IC with:

  • 32-bit processing
  • 148 MHz clock speed

This advanced technology ensures precise audio tuning for an optimized listening experience.

We went above and beyond to ensure the software is easy to use. It is available for iOS, Android, and PC. Currently, it supports US English, and Spanish language support will be available shortly. The MacBook software is pending and almost complete. No one has ever created a software that provides instant multilingual translation, so my team and I are working on it. I will update this when it is ready.

+High Resolution

With 31 bands and a high resolution of 48kHz/24Bit, the EZY-DSP612 provides unparalleled audio clarity.

The EZY-DSP612 is equipped with high-quality signal conversion chips, maintaining the integrity of your audio signal for a pristine sound experience.

Enjoy a full spectrum of sound with a frequency response ranging from 20Hz to 20kHz.

+Exceptional Signal-to-Noise Ratio

Achieve superior audio quality with a Signal-to-Noise Ratio (S/N) of ≥102dB.

+Minimal Distortion

Keep your audio pristine with a total harmonic distortion (THD+N) of less than 0.05%.

+Low Noise Floor

Enjoy clean sound even at low volumes with a noise floor (Noise) of over 95dB.

+Precise Tuning

  • All-pass filtering
  • Channel renaming (output type)
  • Channel separation (crosstalk) exceeding 70dB

Efficient and Reliable

The EZY-DSP612 operates with a low dark current of <3mA and supports a wide voltage range (DC9V ~ 16V).

Opperational Temp:

Designed to withstand extreme temperatures, the EZY-DSP612 operates efficiently within a range of -30°C to 70°C (-22 – 158°F).

Technical Specifications

Specification Value
Dynamic Range (RCA Input) ≥100dB
Signal-to-Noise Ratio (RCA) ≥102dB
Total Harmonic Distortion ≤0.05%
Frequency Response 20Hz~20kHz
Sampling Rate 48kHz/24Bit
RCA Input Impedance 10kΩ
RCA Output Impedance 51Ω
Max Signal Input/Output 12Vpp /12VPP
Ambient Temperature -30°C to 70°C
Working Voltage DC 9V~16V
REM Input/Output ACC start / +12V starting voltage
Standby Power ≤0.1W

The EZY-DSP612 is your ultimate solution for high-fidelity car audio, combining advanced features, user-friendly controls, and exceptional build quality. Elevate your car audio experience with this state-of-the-art DSP from Ezy AudioParts.

BUY EZY DSP612 At Down4sound


How to Install an EZY APK on Popular Android Phones and Tablets – WHILE I WAIT ON GOOGLE (2024)


Step 1: Download the ZIP File

  1. Download the ZIP File
    • Open your web browser on your Android device.
    • Navigate to the download link for the ZIP file containing the APK.1 extension.
    • Tap on the link to download the ZIP file. The file will be saved to your device’s Downloads folder.

Step 2: Extract the ZIP File

  1. Open File Manager
    • Open the File Manager app on your Android device. This app may be named “Files,” “My Files,” or something similar, depending on your device manufacturer.
  2. Navigate to the Downloads Folder
    • In the File Manager, go to the Downloads folder where you saved the ZIP file.
  3. Extract the ZIP File
    • Tap on the ZIP file to open it.
    • Look for an option to extract or unzip the file. This option might appear as “Extract,” “Unzip,” or “Decompress.”
    • Select a location to extract the files. You can choose to extract the files in the same Downloads folder or any other preferred folder.

Step 3: Rename the APK.1 File

  1. Locate the Extracted Files
    • Once the extraction is complete, navigate to the folder where you extracted the files.
    • Look for the file with the .apk.1 extension.
  2. Rename the File
    • Tap and hold on the APK.1 file to select it.
    • Look for the option to rename the file. This option may be found in the menu that appears or via an “Edit” or “More” button.
    • Rename the file by removing the .1 extension, so the file ends with .apk.

Step 4: Enable Unknown Sources

  1. Go to Settings
    • Open the Settings app on your Android device.
  2. Enable Installation from Unknown Sources
    • Depending on your Android version, this setting might be located in different places:
      • For Android 9 and later: Go to “Apps & notifications” > “Advanced” > “Special app access” > “Install unknown apps.” Select the browser or file manager app you used to download the APK and toggle on “Allow from this source.”
      • For older Android versions: Go to “Security” > “Unknown sources” and toggle it on.

Step 5: Install the APK

  1. Navigate to the Renamed APK File
    • Return to the File Manager and locate the renamed APK file.
  2. Install the APK
    • Tap on the APK file to start the installation process.
    • Follow the on-screen prompts to install the app. You may need to grant certain permissions during the installation.

Step 6: Launch the App

  1. Open the Installed App
    • Once the installation is complete, you can either tap “Open” from the installation screen or find the app icon in your app drawer.

Troubleshooting Tips

  • Ensure Sufficient Storage: Make sure your device has enough storage space for the APK and the installed app.
  • Disable Play Protect Temporarily: If Google Play Protect is blocking the installation, you may need to temporarily disable it. Go to the Google Play Store > Menu > Play Protect > Settings > Scan apps with Play Protect and toggle it off.
  • Use a Trusted File Manager: If your device doesn’t come with a built-in file manager, consider downloading a reputable file manager app from the Google Play Store.

By following these steps, you should be able to download, extract, rename, and install the APK file on your Android device successfully.