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DS18 4-Input / 8-Output Digital Sound Processor with Bluetooth and App Control

SKU: I48DSP
Key Features
  • 4 RCA inputs and 8 fully configurable RCA outputs
  • Bluetooth 5.1 iOS/Android app control
  • 96kHz/32-bit sampling rate with AKM DSP chip
  • 31-band parametric EQ per channel, crossover and limiter control
  • Output up to 3.3V with 101dB S/N ratio and <0.04% THD

General Features

Operating Voltage
9.5~15V
Power Consumption
300mA
Recommended Fuse Rating
1A
Power Input Terminal Size
16Ga
LED Indicator
Power / BT / Clip / Limiter
Voltmeter
Yes (App)
Remote Turn-on (Input)
Yes
RCA Connector Type
Tiffany
Housing Material
Aluminum
Body Color / Finish
Black / Silver Brushed
Compact Size to Easy Installation for Any Applications
Yes
PCB with Anti-Corrosion Protection Coating
Yes
Surface Mount Component Technology
Yes
Smartphone APP Connectivity
Yes, Android and Apple devices
Settings Presets
Yes, (6 presets / Local Device)

Audio Specifications

Frequency Response
20Hz-20KHz
S/N Ratio
101dB
THD
0.04%
Input Sensitivity (Low-Level)
200mv-6V
Output Voltage
Up to 3.3V
Balanced Input Noise Rejection
94dB
Stereo Separation
93dB
Time Alignment
0~20ms
DSP Chip
AKM AK7735
Sampling Rate
96KHz/32bit
Signal Conversion AD/DA
CS4344
BT Audio Receiver
5.3v
BT Audio Codec
SBC / ACC
Noise Gate
Yes, adjustable (-60~-120dB)
Routing Channels
Yes, Adjustable with Mixing

Equalizer Section

Type of Equalizer
Parametric (Each CH) / Graphic (General)
Number of Bands
31 (Each CH / General)
Frequency Point
Selectable (Each CH)
Boost/Cut
18dB(+/-)
Q Factor
0.3~15 (Each CH)

Crossover Section

Crossover Ways
8 (Each CH)
Crossover Slopes
ButterWorth 6~48dB/Oct / Bessel 12~48dB/Oct / Linkwitz 12~48dB/Oct
Frequency Cut-off
Selectable 20Hz-20KHz (HPF/LPF/BAND-PASS)
Phase (Polarity)
0?/180? Selectable (Each CH)

Limiter Section

Channels
8 (Each CH)
Threshold
6~-60dB
Attack
0~200ms
Release
0~990ms
Auto Mode
Yes (Attack and Release)

Measurements

Overall Length
5.3" / 135mm
Overall Width
3.25" / 83mm
Overall Height
1.3" / 34mm

Product Overview
DS18 i48DSP
4-Input / 8-Output Digital Sound Processor with Bluetooth and App Control

DS18’s i48DSP gives you total command over your sound system! With 4 RCA inputs and 8 fully configurable RCA outputs, this DSP (digital sound processor) lets you build and fine-tune your audio experience across any setup.

Bluetooth App Control
Set crossover points, time alignment, limiter, and EQ right from your phone. Integrated with Bluetooth Version 5.1, the i48DSP lets you make live tuning adjustments wirelessly using DS18’s iDSP app (iOS and Android).

High-Performance Audio Tuning
Equipped with a 96kHz/32-bit sampling rate DSP chip (AK7735) and CS4344 signal conversion, the i48DSP gives you pinpoint audio control. It features a 31-band parametric EQ on each channel, routing with mixing, bandpass filtering, limiter per output, and a built-in noise gate: all with impressively low distortion (0.04% THD).

Clean Signal, Low Noise
With an output of up to 3.3V and a 101dB signal-to-noise ratio, the i48DSP ensures ultra-clean sound with minimal interference. It also includes clip and limiter LEDs to prevent distortion and protect your equipment during high-output sessions.

Built to Fit Anywhere
This compact DSP is housed in a brushed aluminum body with surface-mount technology and anti-corrosion PCB coating. Designed to work with all systems, the i48DSP installs easily into a variety of vehicles and integrates seamlessly with aftermarket or OEM systems.

Freightliner Argosy, Cascadia, Cascadia 113, Cascadia 125, Century, Classic, COE, Columbia, Coronado, FL106, FL112, FL50, FL60, FL70, FL80, FLA, FLC, FLD112, FLD112 (Set back Axle), FLD120, FLD120 SD, FLD132, International MV, M2, M2 106
Kenworth C500, K100, K300, T170, T2000, T270, T300, T370, T400, T450, T600, T660, T680, T700, T800, T880, W900, W900A, W900B, W900L, W990
Peterbilt 320, 325, 330, 335, 337, 348, 357, 359, 362, 365, 367, 375, 376, 377, 378, 379, 384, 386, 387, 388, 389, 567, 579, 587
International 1452FC, 1452SC, 1652SC, 1652UPS, 2554, 2574, 2575, 2654, 2674, 2675, 3000, 3800, 4000, 4100, 4100 SBA, 4200, 4200 LP, 4300, 4300 LP, 4400, 4400 LP, 4600, 4600 LP, 4600 UH, 4700, 4700 LP, 4700 LPX, 4800, 4900, 5500i, 5600i, 5900i, 7100, 7300, 7600, 8100, 8200, 8300, 9200, 9200i SBA, 9300, 9400, 9400i SBA, 9600, 9670, 9700, 9800, 9800 SBA, 9800 SFA, 9900, CE200, CE300, LoneStar, LT Series, MV, Paystar 5900, Prostar, TranStar 8500 &8600, Workstar 7600 &7700
Volvo VN, VN2, VNL, VNM, WIA & White GMC
Mack CH, CHN, CV, CXN, Granite, MD, Pinnacle (Vision Elite), R600 & R700, RD, RH, Vision

DS18 4-Input / 8-Output Digital Sound Processor with Bluetooth and App Control

SKU: I48DSP
Out Of Stock
Key Features
  • 4 RCA inputs and 8 fully configurable RCA outputs
  • Bluetooth 5.1 iOS/Android app control
  • 96kHz/32-bit sampling rate with AKM DSP chip
  • 31-band parametric EQ per channel, crossover and limiter control
  • Output up to 3.3V with 101dB S/N ratio and <0.04% THD

General Features

Operating Voltage
9.5~15V
Power Consumption
300mA
Recommended Fuse Rating
1A
Power Input Terminal Size
16Ga
LED Indicator
Power / BT / Clip / Limiter
Voltmeter
Yes (App)
Remote Turn-on (Input)
Yes
RCA Connector Type
Tiffany
Housing Material
Aluminum
Body Color / Finish
Black / Silver Brushed
Compact Size to Easy Installation for Any Applications
Yes
PCB with Anti-Corrosion Protection Coating
Yes
Surface Mount Component Technology
Yes
Smartphone APP Connectivity
Yes, Android and Apple devices
Settings Presets
Yes, (6 presets / Local Device)

Audio Specifications

Frequency Response
20Hz-20KHz
S/N Ratio
101dB
THD
0.04%
Input Sensitivity (Low-Level)
200mv-6V
Output Voltage
Up to 3.3V
Balanced Input Noise Rejection
94dB
Stereo Separation
93dB
Time Alignment
0~20ms
DSP Chip
AKM AK7735
Sampling Rate
96KHz/32bit
Signal Conversion AD/DA
CS4344
BT Audio Receiver
5.3v
BT Audio Codec
SBC / ACC
Noise Gate
Yes, adjustable (-60~-120dB)
Routing Channels
Yes, Adjustable with Mixing

Equalizer Section

Type of Equalizer
Parametric (Each CH) / Graphic (General)
Number of Bands
31 (Each CH / General)
Frequency Point
Selectable (Each CH)
Boost/Cut
18dB(+/-)
Q Factor
0.3~15 (Each CH)

Crossover Section

Crossover Ways
8 (Each CH)
Crossover Slopes
ButterWorth 6~48dB/Oct / Bessel 12~48dB/Oct / Linkwitz 12~48dB/Oct
Frequency Cut-off
Selectable 20Hz-20KHz (HPF/LPF/BAND-PASS)
Phase (Polarity)
0?/180? Selectable (Each CH)

Limiter Section

Channels
8 (Each CH)
Threshold
6~-60dB
Attack
0~200ms
Release
0~990ms
Auto Mode
Yes (Attack and Release)

Measurements

Overall Length
5.3" / 135mm
Overall Width
3.25" / 83mm
Overall Height
1.3" / 34mm

Product Overview
DS18 i48DSP
4-Input / 8-Output Digital Sound Processor with Bluetooth and App Control

DS18’s i48DSP gives you total command over your sound system! With 4 RCA inputs and 8 fully configurable RCA outputs, this DSP (digital sound processor) lets you build and fine-tune your audio experience across any setup.

Bluetooth App Control
Set crossover points, time alignment, limiter, and EQ right from your phone. Integrated with Bluetooth Version 5.1, the i48DSP lets you make live tuning adjustments wirelessly using DS18’s iDSP app (iOS and Android).

High-Performance Audio Tuning
Equipped with a 96kHz/32-bit sampling rate DSP chip (AK7735) and CS4344 signal conversion, the i48DSP gives you pinpoint audio control. It features a 31-band parametric EQ on each channel, routing with mixing, bandpass filtering, limiter per output, and a built-in noise gate: all with impressively low distortion (0.04% THD).

Clean Signal, Low Noise
With an output of up to 3.3V and a 101dB signal-to-noise ratio, the i48DSP ensures ultra-clean sound with minimal interference. It also includes clip and limiter LEDs to prevent distortion and protect your equipment during high-output sessions.

Built to Fit Anywhere
This compact DSP is housed in a brushed aluminum body with surface-mount technology and anti-corrosion PCB coating. Designed to work with all systems, the i48DSP installs easily into a variety of vehicles and integrates seamlessly with aftermarket or OEM systems.

Freightliner Argosy, Cascadia, Cascadia 113, Cascadia 125, Century, Classic, COE, Columbia, Coronado, FL106, FL112, FL50, FL60, FL70, FL80, FLA, FLC, FLD112, FLD112 (Set back Axle), FLD120, FLD120 SD, FLD132, International MV, M2, M2 106
Kenworth C500, K100, K300, T170, T2000, T270, T300, T370, T400, T450, T600, T660, T680, T700, T800, T880, W900, W900A, W900B, W900L, W990
Peterbilt 320, 325, 330, 335, 337, 348, 357, 359, 362, 365, 367, 375, 376, 377, 378, 379, 384, 386, 387, 388, 389, 567, 579, 587
International 1452FC, 1452SC, 1652SC, 1652UPS, 2554, 2574, 2575, 2654, 2674, 2675, 3000, 3800, 4000, 4100, 4100 SBA, 4200, 4200 LP, 4300, 4300 LP, 4400, 4400 LP, 4600, 4600 LP, 4600 UH, 4700, 4700 LP, 4700 LPX, 4800, 4900, 5500i, 5600i, 5900i, 7100, 7300, 7600, 8100, 8200, 8300, 9200, 9200i SBA, 9300, 9400, 9400i SBA, 9600, 9670, 9700, 9800, 9800 SBA, 9800 SFA, 9900, CE200, CE300, LoneStar, LT Series, MV, Paystar 5900, Prostar, TranStar 8500 &8600, Workstar 7600 &7700
Volvo VN, VN2, VNL, VNM, WIA & White GMC
Mack CH, CHN, CV, CXN, Granite, MD, Pinnacle (Vision Elite), R600 & R700, RD, RH, Vision