H YANKA BSP-12-4

H YANKA BSP-12-4 12 Inch Subwoofer Instruction Manual

Model: BSP-12-4

1. Introduction

Thank you for choosing the H YANKA BSP-12-4 12 Inch Subwoofer. This subwoofer is engineered to deliver powerful, deep bass with a maximum power output of 2800W and 1400W RMS. Featuring a 3-inch dual voice coil with 4 Ohm impedance, a durable paper cone, and a robust black aluminum basket, it is designed for high-quality car audio performance. This manual provides essential information for proper installation, operation, and maintenance to ensure optimal sound and longevity of your subwoofer.

2. Safety Information

  • Professional Installation Recommended: For optimal performance and safety, professional installation by a qualified car audio technician is highly recommended.
  • Power Handling: Ensure your amplifier's power output matches the subwoofer's RMS rating (1400W). Overpowering can lead to damage.
  • Wiring: Always use appropriate gauge wiring for power and speaker connections. Incorrect wiring can cause electrical shorts or damage to components.
  • Volume Control: Avoid operating the subwoofer at maximum volume for extended periods to prevent distortion and potential damage. For best listening experience, set the volume to 80%.
  • Secure Mounting: Ensure the subwoofer is securely mounted within its enclosure and the enclosure is firmly secured in the vehicle to prevent movement during driving.
  • Ventilation: Allow adequate ventilation around the subwoofer and amplifier to prevent overheating.

3. Product Features

The H YANKA BSP-12-4 Subwoofer incorporates several design elements for superior performance and durability:

  • Powerful Bass Performance: Delivers deep, powerful bass with 2800W max power and 1400W RMS.
  • Dual Voice Coil: Features a 3-inch dual voice coil with 4 Ohm impedance for flexible wiring options and high-quality sound.
  • Durable Paper Cone: Equipped with a strong paper cone with foam edge reinforcement to handle intense bass vibrations.
  • Black Aluminum Basket: Built with a black aluminum basket for strength, durability, and heat dissipation.
  • High Sensitivity: Boasts a sensitivity of 88 dB for efficient power conversion into sound output.
  • Chrome Push Terminals: Provides easy and secure connections for reliable signal transmission.
  • Reinforced Foam Edge: The foam edge is reinforced with orange stitching for durability and to withstand high-performance use.
  • Advanced Magnet Structure: Features dual Y35 magnets (190 mm x 25 mm) for powerful magnetic force and high-quality sound.
  • Improved X-Max: Offers a maximum excursion of 0.65 inches for deep bass response with minimal distortion.
Close-up views of the H YANKA BSP-12-4 subwoofer components, including the voice coil, terminals, foam surround, and magnet structure.

Image: Detailed views of the subwoofer's premium components, highlighting the voice coil, terminals, and reinforced foam edge.

4. Setup and Installation

The H YANKA BSP-12-4 subwoofer is designed for in-car installation and is compatible with sealed or ported enclosures. It supports both under-seat and trunk installations, depending on available space and desired bass output. The subwoofer is equipped with press-fit terminals for quick and secure wiring, and it mounts easily using standard subwoofer brackets or screws, ensuring a stable fit in most car audio setups.

4.1. Pre-Installation Checks

  • Verify that your amplifier's power output and impedance match the subwoofer's specifications.
  • Ensure the chosen mounting location and enclosure provide adequate space and ventilation.
  • Disconnect the vehicle's battery before beginning any wiring.

4.2. Wiring Diagrams

Proper wiring is crucial for optimal performance and to prevent damage. The BSP-12-4 features a dual 4 Ohm voice coil, offering flexible wiring configurations to match various amplifier loads. Below are common wiring options:

Diagram showing various wiring configurations for a dual 4 Ohm subwoofer with an amplifier.

Image: Wiring diagrams illustrating how to connect the dual 4 Ohm subwoofer to an amplifier for different impedance loads (e.g., 2 Ohm, 4 Ohm, 8 Ohm).

Dual Subwoofers with Two Amplifiers (4 Ohm Load per Amplifier)

Wiring diagram for two subwoofers connected to two separate amplifiers, each presenting a 4 Ohm load.

Image: This diagram shows two BSP-12-4 subwoofers, each wired to a dedicated amplifier, resulting in a 4 Ohm load per amplifier. Each voice coil of a subwoofer is connected in series to achieve 8 Ohm, then two 8 Ohm coils are wired in parallel to achieve 4 Ohm for each subwoofer.

Single Subwoofer with One Amplifier (2 Ohm Load)

Wiring diagram for a single subwoofer connected to one amplifier, presenting a 2 Ohm load.

Image: This diagram illustrates a single BSP-12-4 subwoofer wired to one amplifier, configured for a 2 Ohm load. The two 4 Ohm voice coils are wired in parallel.

4.3. Optimal Enclosure Specifications

The performance of your subwoofer is highly dependent on the enclosure it is installed in. The BSP-12-4 subwoofer can be mounted in a separate wooden enclosure. Ensure that the depth of the intended installation area is adequate and that the speaker is not obstructed once installed.

Single BSP-12 Subwoofer Enclosure

  • Closed Box: Recommended internal volume of 1.97 cubic feet, box cutoff frequency at 43Hz.
  • Open Box: Recommended internal volume of 3.1 cubic feet, box cutoff frequency at 37Hz.
Diagram showing optimal wooden box specifications for a single H YANKA BSP-12 subwoofer, including dimensions for closed and open box designs.

Image: Detailed diagrams for constructing optimal wooden enclosures for a single BSP-12 subwoofer, showing dimensions for both closed and open box designs.

Two BSP-12 Subwoofers Enclosure

  • Closed Box: Recommended internal volume of 3.88 cubic feet, box cutoff frequency at 39Hz.
  • Open Box: Recommended internal volume of 5.08 cubic feet, box cutoff frequency at 31Hz.
Diagram showing optimal wooden box specifications for two H YANKA BSP-12 subwoofers, including dimensions for closed and open box designs.

Image: Detailed diagrams for constructing optimal wooden enclosures for two BSP-12 subwoofers, showing dimensions for both closed and open box designs.

4.4. Subwoofer Dimensions

Diagram illustrating the dimensions of the H YANKA BSP-12-4 subwoofer.

Image: Diagram showing the key dimensions of the subwoofer, including mounting depth and overall diameter, essential for enclosure design.

5. Operating Instructions

Once installed, follow these guidelines for operating your H YANKA BSP-12-4 subwoofer:

  • Initial Power-Up: After installation, turn on your car audio system at a low volume. Gradually increase the volume and bass levels to ensure all connections are secure and the subwoofer is functioning correctly.
  • Break-in Period: Allow a break-in period of several hours of moderate use before operating the subwoofer at high volumes. This allows the suspension components to loosen and perform optimally.
  • Amplifier Settings: Adjust your amplifier's gain, crossover, and bass boost settings according to your preference and the subwoofer's capabilities. Refer to your amplifier's manual for detailed instructions.
  • Volume Level: For the best listening experience and to prolong the life of your subwoofer, set the volume to approximately 80% of its maximum capability. Avoid sustained operation at peak volume levels to prevent distortion and potential damage.

Video: An official product video demonstrating the H YANKA BSP-12/15" Subwoofer, showcasing its powerful bass capabilities and design features. This video provides a visual overview of the subwoofer's performance.

6. Maintenance

To ensure the longevity and optimal performance of your H YANKA subwoofer, follow these maintenance tips:

  • Cleaning: Use a soft, dry cloth to gently wipe down the subwoofer cone and surround. Avoid using harsh chemicals or abrasive materials.
  • Inspection: Periodically inspect the wiring connections for any signs of corrosion or looseness. Ensure the mounting screws are tight.
  • Environmental Protection: Protect the subwoofer from extreme temperatures, direct sunlight, and moisture.
  • Avoid Over-Excursion: Do not push the subwoofer beyond its mechanical limits (X-Max) by excessive volume or improper amplifier settings, as this can cause damage to the cone and voice coil.

7. Troubleshooting

If you encounter issues with your H YANKA subwoofer, refer to the following common problems and solutions:

ProblemPossible CauseSolution
No Sound from Subwoofer
  • Loose or incorrect wiring
  • Amplifier not powered on or in protect mode
  • Head unit settings incorrect
  • Blown fuse
  • Check all wiring connections (power, ground, remote, RCA, speaker)
  • Verify amplifier power and check for protect light; reset if necessary
  • Ensure subwoofer output is enabled and volume is up on head unit
  • Check and replace any blown fuses in the amplifier or power line
Distorted Sound
  • Gain set too high on amplifier
  • Crossover settings incorrect
  • Subwoofer over-excursion
  • Damaged subwoofer
  • Reduce amplifier gain
  • Adjust low-pass filter (LPF) on amplifier or head unit
  • Lower volume; check for proper enclosure size
  • Inspect subwoofer for physical damage; if damaged, contact support
Weak Bass Output
  • Incorrect wiring impedance
  • Amplifier underpowered
  • Enclosure too small or leaky
  • Phase issues
  • Verify wiring matches amplifier's optimal impedance
  • Ensure amplifier provides sufficient RMS power
  • Check enclosure for air leaks; consider recommended enclosure size
  • Adjust phase setting on amplifier or head unit (0 or 180 degrees)

If these steps do not resolve the issue, please contact H YANKA customer support for further assistance.

8. Specifications

Detailed technical specifications for the H YANKA BSP-12-4 12 Inch Subwoofer:

FeatureSpecification
BrandH YANKA
Model NumberBSP-12-4 12 Inch Subwoofer
Speaker Size12 inches
Speaker Maximum Output Power2800 watts (Max)
RMS Power1400 watts
ImpedanceDual 4 Ohm
Voice Coil3-inch Black Aluminum
Sensitivity88 dB
Frequency Response35-800 Hz
X-Max0.65 inches
Magnet TypeDual Y35 (190 mm x 25 mm)
Cone MaterialPaper Cone with Foam Edge
Basket MaterialBlack Aluminum
Connectivity TechnologyWired
Item Dimensions (D x W x H)12"D x 7"W x 12"H
Water Resistance LevelNot Water Resistant
Specific Uses For ProductIn-car audio systems
Image displaying the key product specifications for the H YANKA BSP-12-4 subwoofer.

Image: Visual representation of the H YANKA BSP-12-4 subwoofer's core specifications.

9. Warranty and Support

H YANKA stands behind the quality of its products. Your BSP-12-4 subwoofer comes with the following warranty and support:

  • Warranty: Enjoy a 1-year warranty from the date of purchase.
  • Free Exchange: A 3-month free exchange period is provided for hassle-free protection.

For warranty claims, technical support, or any questions regarding your H YANKA subwoofer, please contact our customer service team through the retailer where you purchased the product or visit the official H YANKA website for contact information.

© 2026 H YANKA. All rights reserved.

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