TPT-SP4BT
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
SKU: 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.
Our History
For 23 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.