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SP Series

SP26 SP Series Processor

The SP26 is a fully featured 2-IN/6-OUT digital speaker management system.

Featuring 2 analog inputs and 6 analog outputs, each managed by a powerful DSP Engine. Each input channel provides PEQ, gain control, Dynamic Low boost, noise gate function, RMS compressor, internal White/Pink Noise Generator, and configurable delay. Each output offers up to 7 PEQ and crossover filters.

Easy setup is assured with intuitive front panel controls and an interactive LCD display for local setup, or a dedicated PC control interface for remote monitoring and configuration via USB or RS485.

The SP26 loudspeaker processor is the perfect counterpart to any HH speaker system, suitable in an array of applications, such as live sound, indoor/outdoor events, public address, theatrical performance, and touring. It also comes with expertly created audio pre-sets for use with the TNA line array system, for easy setup straight out of the box.


  • Inputs
    Two Electronically Balanced XLR Inputs. RS485 XLR
  • Outputs
    Six Electronically Balanced XLR Outputs. RS485 XLR
  • Frequency Response
    20Hz-20kHz; -0.5dBy at 20Hz and 20kHz
  • S/N
  • THD+N
    0.001% at 1kHz 0dBu
  • DSP
    Max Delay, 900 ms 10.4us increment/decrement steps per input channel. 340 ms 10.4us increment/decrement steps per output channel
  • Dimensions
    44 x 483 x 229mm, 1.7" x 19" x 9"
  • Weight
    3.5Kg, 7.7 lbs
  • Carton Dimensions (Hwd)
    9 x 53 x 30CM, 3.5" x 20.9" x 11.8" , 0.014 M3
  • Packed Weight
    4.5Kg, 9.9 lbs
  • System Type
    Loudspeaker Management System
  • Power Consumption
  • Power Supply
    Universal voltage 100V-240V~ 50/60Hz
  • Other Controls
    Comprehensive front panel controls with quick mute functionality. Ground lift switches for signal and RS485/USB. USB interface.
  • AD-DA Converters
    24bit, 96kHz (48kHz for pre-October 2023 models)
  • Presets
    48 user presets
  • Filter Type
    Parametric EQ. 11 filters per input,7 filters per output. Bell, Shelving
  • Power Connector
    Removeable IEC Power Cord C14
  • Filter Type
    Crossover. Butterworth 6/12/18/24/36/48 dB per octave. Bessel 12/24 dB per octave. Linkwitz-Riley 12/24/36/48 dB per octave


Featuring two models, the SP26 and SP48, these speaker management systems are designed to deliver unparalleled performance, flexibility, and ease of use. 

Equipped with high-quality 24bit AD/DA audio converters and a 96bit DSP, the HH SP Series Processors ensure that your sound is crystal-clear, accurate, and perfectly balanced. With independent input and output channel EQ, delays, and limiters, you have complete control over every aspect of your sound. 

Both the SP26 and SP48 feature USB ports for remote programming and simple setup, making it easy to customize your settings and manage your speaker system from a distance. Continue connectivity by using the RS-485 connections for daisy-chaining larger systems, the HH SP Series Processors are the perfect solution for any venue or event, no matter how big or small. 

If you’re looking for a powerful, versatile, and easy-to-use speaker management system, look no further than the HH SP Series Processors.

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