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Availability:
In Stock.
Arrives
Thursday, Jan 1
Features
- Ample Connectivity: Equipped with 4 RCA inputs, providing versatile options to connect various audio sources to the system
- Expanded Output Options: Featuring 8 RCA outputs, offering flexibility for routing and distributing audio signals to multiple devices or channels
- Enhanced Audio Control: Enables precise control over audio signals, allowing users to fine-tune and optimize the sound output for different speakers or components
- Versatile Integration: Ideal for use in complex audio setups, such as car audio systems, home theaters, or professional audio environments, providing seamless integration and distribution of audio signals
Brand: Marts Digital
Connectivity Technology: wired
Controller Type: Bluetooth
Special Feature: Equalizer
Compatible Devices: Smartphone, Speaker
Connector Type: RCA
Audio Output Mode: RCA
Surround Sound Channel Configuration: 7.1
Color: Black
Output Power: 400 Watts
Package Dimensions: 6.69 x 5.71 x 2.64 inches
Item Weight: 1.01 pounds
Item model number: BTX8-DSP
Date First Available: November 9, 2023
Manufacturer: Marts Digital
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Jan 1
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
The media could not be loaded. This DSP performs very well. It has a 32-band graphic equalizer for the main inputs (4) and a 16-band parametric equalizer for each output (8) for each speaker. Think about the amount of control you can have. 1- I matched my voltage for the outputs and inputs correctly. 2- I did the crossover cuts. 3- I flat-eq the system with a little bump in the low frequencies. The results were truly remarkable, with the system delivering an incredible sound. 4- I could tweak every speaker to my liking, and the result was phenomenal. One more thing: It produced almost 5 volts out with no distortion whatsoever, and my amps are running super cool. My sub gain is set at about 11 o'clock, and my front/rear at 9. Even if you are off a budget, I recommend this unit. The Bluetooth connects super fast, the app is very user-friendly, and it has a limiter, master gain, channel gain, time corrections, you name it. This is a super unit. It is 100% recommended.
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Reviewed in the United States on October 22, 2024 by Jorge Jorge
Why did you pick this product vs others?: For $170 this is a ton of functionality in a very small package. If you’re in the market for a DSP but don’t want to shell out $550 for a helix mini this will get you a ton of features for a fraction of the price. Make sure you use the marts digital app to connect with the device, it allows you to actually use it. Time alignment, 31band eq on each speaker and the main channel, etc etc etc it’s so so powerful. AND CHEAP. And small!
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Reviewed in the United States on July 13, 2025 by Turner
So easy to use and sounds great but the app keeps dropping the BT connection. No other devise I have does that so I know device before you can reconnect.
Reviewed in the United States on January 20, 2025 by Trish B.
I can also control the app from my Android head unit with fast connection. With 4 inputs and 8 outputs, there’s many options for tuning. It also has a clean sound. No buzzing or whining noise. The crossover function is on the spot. All in all, great value for the money. It’s like you bought an expensive DSP!
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Reviewed in the United States on December 1, 2024 by Amazon Customer Amazon Customer
Do not but this if you live in the USA. The software for the Bluetooth will not connect to your phone. This product is produced in China and its not compatible for US phones software. I spent days trying everything to get my Iphone and my android phone to connect to the Bluetooth. I also contacted Big Jeff the seller of this pos! His team had no clue on how to correct or upgrade the firmware to work on American based phones. I should get paid because im the one that did the research and finally found an answer from the manufacturer. I was also told no you have to use a different app thaen the one it says to use in the qp still did not work. I cleared my cash on both phones when I swapped the software think that would help! No luck and very disappointing because it seemed to be a good dsp if it would have worked. It sad that Big Jeff and Amazon would know this was an issue. You get what you pay for. Stay away from all Brazilian designed dsp because you will have issues getting it to work. Plus the only way to setup the dsp,is through the BT app. The should give you an option to plug into the app with your laptop but they dont! STAY AWAY FROM THIS DSP!
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Reviewed in the United States on May 20, 2025 by Kevlar
After several months of research/review watching, the MARTS BTX8-DSP came out as my top choice amongst entry level DSP for car audio. The 4 INPUTS and 8 OUTPUTS was a key feature for retaining fade capabilities. Connection via Bluetooth is effortless. The app controls for setting channel routing, gains and crossover points are very responsive while the EQ section could be a bit more refined as making settings isn't as finely tuned. My DSP is managed via a Galaxy phone, so the controls may be better on a device with more screen real estate. There are other DSPs that run similar software at about $80 but most of those DSPs are limited to 2 INPUTS. For $160 this DSP gives you a lot of functionality that you find in higher end units (Audison, Audio Dynamics etc) cost several hundred dollars more. IMO this is a great unit to add if you're just getting into DSP. This is a budget DSP that doesn't perform like typical budget gear. If I hadn't already committed to an Audio Control DSP Amplifier for my other vehicle, I would seriously consider going with the MARTS BTX8 again.
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Reviewed in the United States on September 30, 2024 by Christopher Stallworth
Oh yes. This is really deal. Sound quality is just awesome. I had used stetsom Bluetooth dsp before this and it sounds terrible. Just alone using this fixes audio quite a bit but remember you have to play with it and your EQ to get it just right. I was having distortion on my sub channel before and this fixes that by letting me cut off certain frequency. And yes you get 4 in 8 out channels 31 bands EQ AND 31 bands parametric EQ per channel. You don’t get 31 parametric EQ in most DSPs at this price range for all 8 channels. Really allow you to dial in. Build quality is also nice . You get shinier front side with clip for left and right channels. Also 8 limiter LEDs that also serve as clip when limiter not used. I’m using this for 4 channel amp and 2 skar evls 12 alongwith pioneer headunit. You also get a sticker with it. Packaging also feels premium. Overall fully satisfied.
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Reviewed in the United States on April 12, 2025 by Mandeep Singh Mandeep Singh
This is my second DSP, this is the one to get. Strong signal, no noise, compact, inexpensive, easy to adjust using your phone, inexpensive, several memory slots that you can share, EQ in/out for every channel, delay, crossovers, etc. I could go on and on, it's a budget GEM. Get it!!
Reviewed in the United States on June 5, 2024 by JimMortgage JimMortgage