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Ships within 48 hours · Estimated delivery Sep 18 - Sep 23
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Description
DS18 i48DSP4-Channel In and 8-Channel Out Digital Sound Processor (DSP) w/ Bluetooth & App ControlDS18 i48DSP 4 Input 8 Output Digital Sound Processor with Bluetooth App Control Take absolute command of your vehicles acoustic environment with the DS18 i48DSP, a premium 4 input 8 output Digital Sound Processor engineered for high fidelity audio tuning. Designed to be the central nervous system of your custom car audio build, this advanced DSP utilizes a high performance 96kHz 32 bit AKM AK7735 DSP chip and CS4344 signal conversion to deliver
DS18 i48DSP 4-Input / 8-Output Digital Sound Processor with Bluetooth App ControlTake absolute command of your vehicle’s acoustic environment with the DS18 i48DSP, a premium 4-input / 8-output Digital Sound Processor engineered for high-fidelity audio tuning. Designed to be the central nervous system of your custom car audio build, this advanced DSP utilizes a high-performance 96kHz/32-bit AKM AK7735 DSP chip and CS4344 signal conversion to deliver pristine, ultra-low distortion (0.04% THD) sound to your amplifiers. Forget the hassle of complicated laptop software—the i48DSP features integrated Bluetooth 5.1 connectivity, allowing you to wirelessly tune your entire system in real-time using the free DS18 iDSP app on your iOS or Android device. From its massive 31-band parametric EQ and precise time alignment to customizable crossovers and individual channel limiters, the i48DSP provides professional-grade audio shaping in a compact, easy-to-install aluminum chassis.
Key Features & Specifications
- 4-In / 8-Out Architecture: Four RCA inputs process the signal from your receiver and distribute it across eight fully customizable RCA outputs, perfect for multi-amplifier active setups
- Wireless App Control: Built-in Bluetooth 5.1 allows you to seamlessly connect your smartphone to the DS18 iDSP app to adjust your EQ, crossovers, and time alignment from the driver's seat
- High-Resolution Processing: Powered by a premium AKM DSP chip with a 96kHz/32-bit sampling rate to ensure perfectly accurate audio recreation with zero digital harshness
- 31-Band Parametric EQ: Gain surgical control over your sound with 31 bands of equalization available independently on every single output channel
- Advanced Crossover Network: Fully selectable 20Hz-20KHz crossovers (High-Pass, Low-Pass, or Band-Pass) with adjustable slopes up to 48dB/Octave to perfectly blend your tweeters, mids, and subwoofers
- Digital Time Alignment: Delay specific speakers up to 20ms to ensure the sound from every driver reaches your ears at the exact same time, creating a perfect center soundstage
- Clean, High-Voltage Output: Delivers up to 3.3 Volts of output signal with a massive 101dB Signal-to-Noise Ratio to keep your audio loud, dynamic, and free of background hiss
- Built-In Protection: Features an adjustable noise gate, individual output limiters, and physical Clip/Limiter LED indicators to protect your expensive speakers from distortion
- Rugged & Compact: Housed in a durable brushed black and silver aluminum body with a moisture-resistant coated PCB to survive the harsh automotive environment
- Dimensions: 5.3" (L) x 3.25" (W) x 1.3" (H)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Great gifts for grandkids
Color: Olive Green, Size: Small
We bought eight wearable blanket hoodies for our grandkids that were 12 and younger. Each child got a different color and design that we picked to match their personalities and preferred toy or activities. They were everyone’s favorite Christmas gift (December 2025). A month later I they are still wearing them everywhere because the are fun and comfortable. They use them indoors and out as they are warm enough to replace a jacket or heavy sweat shirt but not too warm for indoor. Did not have any quality issues with any of them. They are designed to be roomy with sleeves that will cover their hands if they want but they have a cuff to keep them off their hands when they want. The two available sizes worked with everyone from 3 years old to 12 years old.
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Reviewed in the United States on January 26, 2026
★★★★★ 5
Very very soft & super duper warm
Color: Grey, Size: Standard
So soft & comfy. I LOVE IT! I had another brand before this one and it wasn’t nearly as soft or as thick as this one. When I’m freezing & everyone else is not it saves the day. I can go outside when it’s cold and not feel like I’m dying from the cold like usual. You will warm up fast BUT I have to come out of it shortly after putting it on. I can’t wear it long term inside unless I turn the heat WAY down
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Well worth the price.
Color: Sky Blue, Size: Standard
As advertised. This Blanket is an oversized hoodie, well designed for you
to lounge in, to sleep in, to live in as you stay warm in a cold world! Cozy as a hug and comfortable enough to spend the night in without overheating or suffocating, this wearable blanket is a winner on many fronts. It is attractive and well constructed as I have found other Bedsure products to be. It is heavy enough to help you stay put in your warm cocoon and enjoy your downtime warmly. It is more luxurious than the price would lead you to believe it could be. Much to enjoy. Try it!
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Reviewed in the United States on January 10, 2026
★★★★★ 5
Very comfortable
Color: Grey, Size: Standard
Greta product. Very warm and comfortable.
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Reviewed in the United States on May 26, 2026
★★★★★ 4
Gifted 3 for Christmas
Color: Concrete Grey, Size: Standard
Ordered these for 3 people, 3 different colors of these. I did not know what to expect for the price but when they all opened them they LOVED THEM!!!!! The 3 of them instantly put theirs on.
One person slept in hers. ALL loved how SOFT and comfortable they were!! One size fits all works great. The size is large enough with extra room to order this item for some one who is on the extra large size ( 275 lbs) with a completely comfortable amount of room left over to not feel like it’s so small your popping out of it. She loves hers. Also person is 5’7” and it came to their mid kneecap Loved the amount of room.
My 27 year old son sent me a picture today of the one we gave his girlfriend for Christmas
( 5’4” and not more than 125 lbs) and her is the fireworks one…. Super cool design even for a 28 year old or my wife. Late 50’s in age.
Anyway he sends me a picture of him in hers that we gifted her, and he was loving it. He said “ super warm and comfortable and I’m so jealous”. Online are all female models but my family runs on the big side and we live in the NE part of the US, just fyiin case you are thinking maybe it was only for girls/ women) He’s 6’4 and maybe 185 lbs in hers( lol) looked great on him. Plenty of room without looking baggy. Long enough in the arms but not overly so. Came to just above his knees maybe an inch.
So as I’m writing this review I’m ordering 2 more for both my sons age 26& 27 and they were both so bummed they didn’t get one (honestly I didn’t think they would wear it. I suck at picking out gifts but this was a HOME RUN)
And they will be getting one also.
Shipping was awesome. I ordered all 3 on Monday the Monday prior to Christmas Eve. And all came on time for a great holiday. It said would be delivered on Christmas Eve day. I wasn’t going to hold my breath but they all came that day.
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Reviewed in the United States on May 16, 2026