Can you use any bt 4.0 adapter? charging $40 for a bt adapter should be a criminal offense.

I agree 40 for it is pure ripp off….30 more than it should be

Will the speaker level inputs work with a common ground head unit in a vintage car?

Should work, just make sure ground is good and solid.

Does this have subsonic?

Yes set a filter to kill the subsonic frequencies

Does this item comes with the bluetooth dongle? or u have too buy seperate and if so where do it buy the dongle also cause im not finding it

Hi there.... it does not come with the Bluetooth dongle... it is separate.... here is a link Dayton Audio DSP-BT4.0 Bluetooth... https://www.amazon.com/dp/B07FNC6L34?ref=ppx_pop_mob_ap_share

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DSP-408 4 Input 8 Output DSP Digital Signal Processor with Built in EQ Crossovers, Time Alignment, and in-Put/Output Mixing for Home and car Audio

Product ID: 69614316

Details

Brand
Dayton Audio
Item Weight
1.9 Pounds
Manufacturer
daytonaudio
Number of Channels
16
Number of Items
1

📱Optional Bluetooth dongle for wireless control

🎚️4 inputs, 8 outputs for versatile routing

🎛️10-band parametric EQ per output channel

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€ 357.71

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Elevate your audio game — precision tuning that makes your system the envy of every audiophile.

GROUP EQ FILTERS - Apply equalization and filters across grouped channels simultaneously — a feature that sets you apart from the crowd.
SEAMLESS INTEGRATION - Built-in EQ crossovers, time alignment, and input/output mixing adapt effortlessly to home or car audio setups.
PRECISION AUDIO CONTROL - Master your sound with 4 inputs and 8 fully customizable outputs for ultimate system flexibility.
TAILORED SOUND SCULPTING - 10-band parametric EQ on every output channel lets you fine-tune frequencies with surgical accuracy.
SMART WIRELESS MANAGEMENT - Optional Bluetooth dongle enables app-based control, putting professional-grade tuning at your fingertips.

The Dayton Audio DSP-408 is a powerful 4-input, 8-output digital signal processor designed for home and car audio enthusiasts seeking professional-grade sound customization. Featuring real-time signal processing, a user-friendly GUI, 10-band parametric EQ on all outputs, built-in crossovers, time alignment, and flexible input/output mixing, it delivers unparalleled control. Optional Bluetooth connectivity allows wireless app control, making it a must-have for anyone serious about perfecting their audio experience.

Specifications

ASIN	B07D3H5X5V
Best Sellers Rank	#4,119 in Musical Instruments ( See Top 100 in Musical Instruments ) #2 in Multieffects Processors #20 in Car Amplifier Equalizers
Brand Name	Dayton Audio
Customer Reviews	4.1 4.1 out of 5 stars (528)
Global Trade Identification Number	00848791004957
Included Components	product, manual
Item Weight	1.9 Pounds
Manufacturer	daytonaudio
Manufacturer Part Number	DAX88
Model Number	DAX88
Number of Channels	16
UPC	848791004957

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