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

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
Maximum Supply Voltage
240 Volts
Minimum Supply Voltage
12 Volts (DC)
Mounting Type
Surface Mount
Number of Pins
5

📱Bluetooth app control option

🎚️4 inputs, 8 outputs for max routing

🎛️10-band parametric EQ per channel

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€ 413.59

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
Dayton Audio
Maximum Supply Voltage
240 Volts
Minimum Supply Voltage
12 Volts (DC)

Description

🎧 Elevate your audio game — because your sound deserves precision, not compromise.

SEAMLESS INTEGRATION - Works flawlessly in both home and car audio setups with versatile RCA interface and surface mount design.
PRECISION AUDIO MASTERY - Real-time DSP with 4 inputs and 8 fully customizable outputs puts you in total control of your soundstage.
PRO LEVEL SIGNAL MIXING - Advanced input/output mixing and channel grouping unlock complex multi-way speaker configurations and perfect time alignment.
SMART CONTROL NO FLUFF - Intuitive GUI and optional Bluetooth dongle let you fine-tune your system from your smartphone—no gimmicks, just results.
TAILORED SOUND SCULPTING - Each output channel features a 10-band parametric EQ and selectable high/low-pass filters for surgical tuning.

The Dayton Audio DSP-408 is a professional-grade digital signal processor featuring 4 inputs and 8 outputs with built-in 10-band parametric EQ, crossovers, and time alignment. Designed for both home and car audio enthusiasts, it offers real-time signal processing, flexible input/output mixing, and optional Bluetooth control for seamless customization. Its robust build and advanced features make it a top choice for those demanding precise, high-fidelity sound tuning.

Specifications

ASIN	B07D3H5X5V
Best Sellers Rank	#21,864 in Electronics ( See Top 100 in Electronics ) #2 in Multieffects Processors #26 in Car Amplifier Equalizers
Brand	Dayton Audio
Brand Name	Dayton Audio
Customer Reviews	4.1 out of 5 stars 527 Reviews
Global Trade Identification Number	00848791004957
Included Components	product, manual
Item Weight	1.94 Pounds
Manufacturer	daytonaudio
Manufacturer Part Number	DAX88
Model Number	DAX88
Number of Channels	16
Number of Items	1
UPC	848791004957

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