Pioneer TS-WH500A Active Subwoofer

Pioneer TS-WH500A combines an HVT active subwoofer and an integrated amplifier in a single enclosure.

With an enclosure measuring just 60 mm in height, it is easier to plan an installation in a confined vehicle interior. Before installation, however, all three dimensions must be considered, together with the cable connection area and the need for later access to the unit.

Who is this subwoofer for?

This model is intended for a car audio system in which the existing speakers do not reproduce the lowest frequencies adequately. When the frequency filters are set correctly, the door speakers can be left to handle a frequency range that is better suited to them. The final result will depend on the signal settings, installation position and overall system tuning.

The seller specifies a 50 W nominal input power. The maximum input power figure is listed as 150, but no unit of measurement is provided.

Compact enclosure and installation planning

The enclosure measures 340 × 60 × 250 mm. Its low height provides greater flexibility when looking for a suitable installation position. Height alone, however, is not enough to determine whether the unit will fit. The 340 mm length and 250 mm depth must also be taken into account.

Leave sufficient room for routing the cables, reaching the connections and securing the enclosure safely. The subwoofer must not be able to move when the vehicle brakes or changes direction. It should also be kept clear of moving seat mechanisms and other vehicle components.

The installation position affects the perceived balance of the low frequencies. Placement close to enclosed surfaces may make the bass seem fuller, but it can sometimes reduce its precision. Before securing the unit permanently, it is worth comparing several possible positions while listening from your normal seating position.

Integrated amplifier

The enclosure contains an integrated MOSFET amplifier. This means that the subwoofer does not require a separate power amplifier enclosure. Reducing the number of individual system components can also make it easier to plan the available space inside the vehicle.

The integrated amplifier still requires both a power supply and an audio signal. It is sensible to plan the complete cable route before fixing the enclosure in place. Keeping the power and signal cables separate may help to prevent unwanted noise in the audio system.

Connecting it to the vehicle audio system

Before choosing any cables, determine what type of low-frequency signal is available from the vehicle head unit or audio processor. An RCA cable or high-level adapter should not be selected solely because this is an active subwoofer. The connection method must be based on the connections provided by both devices.

The power circuit must be suitable for the vehicle electrical system and the requirements of the unit. The fuse position, cable cross-section and grounding point should be determined by a car audio installer. These details are important for stable amplifier operation.

Initial system setup

When switching on the system for the first time, begin with a moderate subwoofer level. Use a familiar music recording and increase the level gradually. The subwoofer should complement the front speakers rather than draw attention to its physical installation position.

If the head unit or processor includes a low-pass filter, start from a neutral setting. Adjust it while listening to the transition between the door speakers and the subwoofer. Setting the filter point too high may make it easier to identify where the subwoofer is installed.

If the system allows phase adjustment, compare the available settings while sitting in the driver’s seat. Choose the position that produces the smoothest transition between the speakers and subwoofer. Check the level again after changing the phase, as the perceived volume may also change.

The level adjustment should not be treated as an additional master volume control. Excessive gain can overemphasise a particular frequency range and upset the balance of the system. Complete the final adjustments at your normal listening volume.

Technical specifications

Frequently asked questions

How can I check whether there is enough installation space?

Measure an area of at least 340 × 60 × 250 mm and allow additional room for the cables and their connections. You must also consider the seat mechanisms and whether the enclosure can be secured reliably in the chosen position.

Does it require a separate power amplifier?

No. The enclosure already contains an integrated MOSFET amplifier. Power and audio signal cables will still need to be routed and connected correctly.

Does the 60 mm height guarantee that the subwoofer will fit under a seat?

No. All enclosure dimensions, the seat mechanisms and the space required for cable connections must be considered. The subwoofer must also be securely fastened in its installation position.

Which audio cable should I choose?

Choose the cable according to the output provided by the vehicle head unit or processor and the connection on the subwoofer. The product type alone does not establish whether an RCA cable or an adapter is required.

How should I set the correct bass level?

Start with a low level and increase it gradually while listening to familiar music. The low frequencies should complement the front speakers naturally rather than dominate them.

Is this model suitable for a home cinema system?

This model is classified as car audio equipment. For a home cinema system, choose a dedicated subwoofer with appropriate power connections.

Can two of these subwoofers be used?

A system with two units requires a separate assessment of the power circuit, signal distribution and settings for both subwoofers. Starting with one subwoofer is sufficient for evaluating the overall balance of the system.