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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🎧 Elevate your audio game—because average sound is so last decade

VERSATILE SETUP - Perfect for both home theaters and car audio systems
SEAMLESS CONTROL - Intuitive GUI makes complex tuning effortless and fast
WIRELESS FREEDOM - Add Bluetooth dongle for app-based control and streaming
TOTAL AUDIO MASTERY - Real-time DSP lets you sculpt sound with surgical precision
TAILORED SOUNDSCAPES - Fully customizable 10-band EQ on every output channel

The Dayton Audio DSP-408 is a compact, high-performance digital signal processor offering 4 inputs and 8 outputs with fully adjustable 10-band parametric EQs on each channel. Designed for both home and car audio enthusiasts, it features a user-friendly GUI and optional Bluetooth dongle for wireless streaming and remote control, delivering unparalleled customization and real-time sound optimization.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Part number	DAX88
Item Weight	880 g
Product Dimensions	16.59 x 11.56 x 0.1 cm; 879.97 g
Batteries Included	No
Batteries Required?	No
Item Dimensions LxWxH	16.6 x 11.6 x 0.1 cm

Dayton Audio DSP-408 4 x 8 DSP Digital Signal Processor for Home and Car Audio

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