TPT-SP4BT
Bluetooth Car Audio Signal Processor DSP – TPT-SP4BT
We have brought the perfect tools to make your sound system the ultimate music machine!
The compact TPT-SP4BT is signal processor ( DSP ) controlled by bluetooth connection direct from your phone or tablet. This powerful tool allows users to optimize the performance of their custom sound system, regardless of whether they are using a aftermarket unit or factory radio.
The processor’s information can be viewed and configured remotely using smartphones with Android or iOS systems. Its digital signal processor allows real-time modification of equalization, crossover filters, alignment, gain control, phase inversion, limiter, input/output routing, and features such as: Battery Voltmeter, Frequency Generator, Frequency Sweep and Pink Noise.
Its exclusive sequencer feature (SEQUENCER) makes it possible to configure the programmed startup and shutdown of up to three products from the remote startup connections (S1, S2, and S3).
Technical Specifications
| Number of channels | Input: 2 x RCA (A+B) or 2 x HIGH INPUT (A+B) Output: 4 (1, 2, 3, 4) |
| Graphic equalizer: | 15 Bands (gain ±12dB) |
| Crossover with freq. Variable: | Butterworth: 12/18/24/36 dB/8ª Linkwitz-Riley: 12/18/24/36 dB/8ª |
| Output gain: | -45dB ~ +15dB per output |
| Frequency generator: | 10Hz ~ 22kHz and Level -60 ~ 0dB |
| Battery voltage monitor: | Current, minimum and maximum voltage |
| Frequency response: | 10Hz ~ 22kHz @ 0dB |
| Max. Input voltage: |
RCA: 5,6 Vpp (+8,2 dBu) HIGH INPUT: 15 Vpp (+18 dBu) |
| Max. Output voltage: | 5,6 Vpp (+8,2 dBu) |
| Power supply: | 10V ~ 15V DC |
| Max. Output current SEQUENCER: | 180 mA per output |
| Rated current consumption: | 170mA @ 12.6V DC |
| Range: | 15 meters* |
| Compatibility: | Android 5.0 or higher iOS 12 or higher |
| Dimensions (H x W x L): | 1.3” x 3.8” x 7.4” |
| Weight: | 0.40 Lb |
Our crossovers are designed to provide the perfect frequency distribution to ensure the clarity and peak efficiency throughout your custom system.
Full details on shipping times, returns, warranty and cancellations are on our policy page.
Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.
Email Sales@Speedzoneweb.com
Call 407-846-8430
Text 407-749-6314
Answers to common questions are on our FAQ page.


