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  • LD448 Professional DUAL DSP 32 Bit 4 Input 8 Output Audio Processor with FIR Equalizer System ADI Chip Dynamic Audio Equipment
  • LD448 Professional DUAL DSP 32 Bit 4 Input 8 Output Audio Processor with FIR Equalizer System ADI Chip Dynamic Audio Equipment
  • LD448 Professional DUAL DSP 32 Bit 4 Input 8 Output Audio Processor with FIR Equalizer System ADI Chip Dynamic Audio Equipment
  • LD448 Professional DUAL DSP 32 Bit 4 Input 8 Output Audio Processor with FIR Equalizer System ADI Chip Dynamic Audio Equipment
  • LD448 Professional DUAL DSP 32 Bit 4 Input 8 Output Audio Processor with FIR Equalizer System ADI Chip Dynamic Audio Equipment
  • LD448 Professional DUAL DSP 32 Bit 4 Input 8 Output Audio Processor with FIR Equalizer System ADI Chip Dynamic Audio Equipment
LD448 Professional DUAL DSP 32 Bit 4 Input 8 Output Audio Processor with FIR Equalizer System ADI Chip Dynamic Audio Equipment
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LD448 Professional DUAL DSP 32 Bit 4 Input 8 Output Audio Processor with FIR Equalizer System ADI Chip Dynamic Audio Equipment

$193.00-$205.00/ Piece|1 Piece/Pieces(Min. Order)

Customization:

customise contact us（Min.Order: 10 pieces）
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LD448 Professional DUAL DSP 32 Bit 4 Input 8 Output Audio Processor with FIR Equalizer System ADI Chip Dynamic Audio Equipment

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Multi-Channel Processing: 4 input and 8 output channels with DUAL 32-bit DSP chips enable simultaneous signal processing, dynamic audio optimization, and real-time adjustments for complex audio setups.
  • Advanced Audio Engineering: Equipped with an FIR Equalizer System powered by ADI chips, delivering precise frequency response, acoustic clarity, and customizable sound profiles.
  • Remote Control & Monitoring: LAN and RS-232 connectivity support remote management, firmware updates, and real-time parameter adjustments for large-scale installations.

Key features

  • 1. Advanced Material Technology

    • With a lightweight yet rugged plastic chassis, ensure reliable operation in professional environments while reducing weight by up to 30% compared to all-metal alternatives.*

  • 2. Intuitive Interactive Design

    • With 8 tactile channel faders, dedicated knobs for gain/pan control, and a central LCD display, adjust audio parameters and monitor levels in real-time with precision, offering twice as many control points as compact mixers.*

  • 3. High-Performance Processing

    • With dual 32-bit Analog Devices (ADI) DSP cores and an FIR equalizer, process multi-channel audio signals up to 50% faster than single-DSP processors, ensuring low-latency performance for complex setups.*

  • 4. Versatile Scenario Solutions

    • With 8 output channels and LAN/RS-232 connectivity, manage large-scale audio systems (e.g., live venues or studios) with remote monitoring and 24/7 operation, outperforming consumer-grade devices designed for casual use.*

  • 5. Professional Certification Standards

    • Complies with international audio industry standards for durability and performance, supporting global voltage compatibility (110V/220V) to ensure safe operation worldwide.

Product details

LD448 Professional DUAL DSP 32 Bit 4 Input 8 Output Audio Processor with FIR Equalizer System ADI Chip Dynamic Audio Equipment

The LD448 Professional DUAL DSP 32-Bit Audio Processor is a high-performance audio solution designed for demanding applications. With 4 inputs and 8 outputs, it delivers precise audio processing through advanced FIR equalization and ADI chip technology. Its modular design, plastic housing for durability, and compatibility with 4Ω/8Ω impedance and 110V/220V power make it adaptable for global use in live sound, studios, and broadcast systems.

Technical specifications

FeatureSpecificationBenefit
Channels4 Inputs / 8 OutputsSimultaneous processing of multiple audio sources
DSP ArchitectureDual 32-Bit ADI ChipHigh-precision audio processing and low latency
Impedance Compatibility4Ω, 8ΩFlexible speaker system integration
Voltage Support110V, 220VGlobal power compatibility
ConnectivityLAN, RS-232, XLRRemote control and robust signal transmission
EqualizationFIR (Finite Impulse Response)Precise frequency response and acoustic tuning

Customization guide

Adjustable impedance settings (4Ω/8Ω) and voltage options (110V/220V) allow customization to match specific speaker systems and regional power standards. Firmware updates enable users to adapt to evolving audio processing needs.

Get inspired

With the LD448’s 8-output capability, live event technicians can distribute audio to multiple speakers while maintaining phase alignment. Its remote management via LAN simplifies control in large venues, while the dual DSP ensures clarity even in complex audio setups.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Processing PowerSingle DSPDual DSPQuad DSP*
ConnectivityLANLAN + RS-232LAN + RS-232 + USB
FIR Filter Resolution16-tap32-tap64-tap*
Dynamic Range96 dB110 dB120 dB*

Supplier's note

  1. Technical Breakthroughs:

    • 8-Channel Output: Enables simultaneous processing of multiple audio streams for live events or multi-room systems.
    • Remote LAN Control: Allows real-time adjustments in distributed setups, eliminating the need for physical access.
    • ADI Dual DSP: Delivers 30% lower latency compared to single-DSP models, critical for real-time audio applications.

  2. Optimal Version Selection:

    • Base Model: Ideal for small venues or basic installations requiring cost-effective 4-in/8-out processing.
    • Advanced Model: Suitable for mid-sized studios or events needing remote control and improved dynamic range.
    • Pro Model: Designed for professional broadcast or high-end live sound, offering 64-tap FIR filters (twice the industry standard) and 120 dB dynamic range for unmatched clarity.

*Pro Model’s Quad DSP architecture ensures 20% faster signal processing than dual-DSP competitors, while its 64-tap FIR filters reduce distortion by 40% in complex acoustic environments.

Frequently asked questions

  • Which audio processor is best for live venues with multiple input sources?

  • How to clean the control knobs on the LD448 without damaging its plastic enclosure?

  • Plastic vs Metal Enclosures: Which is better for rack-mounted audio processors like the LD448?

  • Can the LD448’s firmware be updated for new features or compatibility?

  • Is the LD448’s 4/8 ohm impedance compatible with studio monitors?

  • Does the LD448 support expansion for larger audio systems?

  • How to ensure stable power for the LD448 in different voltage regions?

  • What makes the LD448’s Dual DSP better for complex audio setups?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
DSP PerformanceProfessional audio mixingIndustry: 16-bit (standard resolution), Base: 24-bit (▲ 2x resolution), Advanced: 32-bit (▲▲ 4x resolution, 16x better than 16-bit)Enhanced clarity and dynamic range for high-fidelity processing.Higher power consumption and cost.
Channel CountLarge-scale audio setupsIndustry: 4 channels (limited sources), Base: 6 channels (▲ handles more sources), Advanced: 8 channels (▲▲ processes 8 simultaneous I/O)Supports complex multi-source environments like live concerts.Requires advanced routing and control expertise.
Impedance CompatibilityMulti-device setupsIndustry: 8Ω only (limited speakers), Base: 4Ω/8Ω (▲ supports low-impedance devices), Advanced: 4Ω/8Ω (▲▲ with enhanced thermal management)Works with a wider range of speakers, including low-impedance models.Requires careful impedance matching to avoid distortion.
Voltage FlexibilityInternational useIndustry: 110V only (regional use), Base: 110V/220V (▲ auto-switching), Advanced: 110V/220V (▲▲ with surge protection)Operates globally without voltage converters.More complex power circuitry increases cost.
Connectivity OptionsNetworked audio systemsIndustry: Analog-only (no remote control), Base: LAN + RS-232 (▲ remote monitoring), Advanced: LAN + RS-232 + USB (▲▲ firmware updates via LAN)Remote control and firmware updates enhance system manageability.Requires network infrastructure for full functionality.
Firmware UpgradabilityEvolving audio standardsIndustry: Fixed firmware (no updates), Base: USB upgradable (▲ manual updates), Advanced: Over-the-air (▲▲ via LAN, no physical access needed)Advanced allows seamless feature updates without physical access.OTA requires stable network connectivity.

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