Marts Digital BTX12 – 12‑Channel Bluetooth DSP (Android/iOS)

The Marts Digital BTX12 is a powerful 12‑channel digital sound processor built for serious system tuning. With Bluetooth control, flexible routing, advanced EQ tools, and precise time alignment, the BTX12 gives you full command of your audio system from your phone — whether you’re building a show car or dialing in a daily driver.

Included in This Listing

• (1) Marts Digital BTX12 – 12‑Channel Bluetooth DSP

• Compatible with Android & iOS

App Downloads

• Apple App

• Android APK (Your device may require permission to install APK files, search “How to install APK files on my [phone model]” for instructions.)

Features & Tuning Capabilities

Channel Routing

• Flexible routing options: A/B/C/D, A+B, A+C, B+C

Gain Settings

• General Gain: –53 dB to 0 dB

• Channel Gain: –33 dB to +9 dB

Crossover Section

• Frequency Range: 20 Hz – 20 kHz

• Filter Types: Linkwitz‑Riley, Butterworth, Bessel

• Slopes: 6 / 12 / 18 / 24 / 36 / 48 dB per octave

Input Equalizer

• 31‑band graphic EQ

• Gain: –12 dB to +12 dB

Per‑Channel Equalizer

• 8‑band parametric EQ per channel

• Gain: –12 dB to +12 dB

• Q Factor: 0.6 – 9.9

Time Alignment

• Delay: 0 – 18.95 ms

• Distance: 0 – 6500 mm

Limiter Control

• Threshold: –53 dB to +6 dB

• Attack: 1 – 200 ms

• Release: 1 – 988 ms

Polarity

• Selectable: 0° / 180°

Memory Presets

• Save 3% – 100% of your settings for quick recall

Measurements

• Length: 5.75"

• Width: 4.5"

• Height: 1.5"

• Weight: 0.86 lbs (13.8 oz)

Overview

The Marts Digital BTX12 DSP is engineered for clean, accurate, and fully customizable sound. With professional‑grade tuning tools and wireless control, it’s the perfect solution for anyone who wants total authority over their vehicle’s audio performance.