Digital Signal Processors (DSP)

A DSP — digital signal processor — gives you independent control over every speaker channel: parametric EQ, time alignment, crossover frequency and slope, and output level. On a motorcycle where the listening position is fixed and the acoustic environment is brutal, a DSP is what takes a loud system and makes it sound right. Without one, you're guessing at balance and EQ; with one, you tune to your specific bike, helmet and riding style.

Most Harley audio DSP installs place the unit between the head unit's outputs and the amplifier inputs. Standalone DSPs connect in series with an existing amplifier. DSP-amp combo units combine both functions in one box — the Hertz H8 DSP Amplifier is the most common example, used in builds where space is tight and integration matters. Cicada Audio's FLX DSP series offers similar functionality tuned to the Cicada speaker range.

Tuning a DSP requires measurement — a calibration microphone and RTA software, or a professional tune by someone who does this regularly. MAA can advise on the right setup and connect you with qualified tuners for the final step. Ships Australia-wide and to New Zealand.

Cicada Audio DSP88v2 — 8×8 Motorcycle DSP Processor (8 In / 8 Out)

Cicada Audio DSP88v2 — 8×8 Motorcycle DSP Processor (8 In / 8 Out)

Cicada Audio DSP88v2 — 8×8 Motorcycle DSP Processor (8 In / 8 Out)

$650.00
8 in / 8 out
1998-20132014-20232024+
Fairing
Cicada Audio DSP412PRO — 4-In 12-Out Motorcycle Audio DSP Processor

Cicada Audio DSP412PRO — 4-In 12-Out Motorcycle Audio DSP Processor

Cicada Audio DSP412PRO — 4-In 12-Out Motorcycle Audio DSP Processor

$770.00
4 in / 12 out
1998-20132014-20232024+
Cicada Audio FLX700.4PRO — Ultra-Compact 4-Channel Class-D DSP Amplifier for Harley-Davidson (700W RMS / 175W x4 @ 2Ω)

Cicada Audio FLX700.4PRO — Ultra-Compact 4-Channel Class-D DSP Amplifier for Harley-Davidson (700W RMS / 175W x4 @ 2Ω)

Cicada Audio FLX700.4PRO — Ultra-Compact 4-Channel Class-D DSP Amplifier for Harley-Davidson (700W RMS / 175W x4 @ 2Ω)

$1,195.00
4 in / 4 out
700w RMS
1998-20132014-20232024+
FairingLower FairingSaddlebagsTour Pack
Cicada Audio FLX1400.4PRO — High-Power 4-Channel Class-D DSP Amplifier for Harley-Davidson (1,400W RMS / 350W x4 @ 2Ω)

Cicada Audio FLX1400.4PRO — High-Power 4-Channel Class-D DSP Amplifier for Harley-Davidson (1,400W RMS / 350W x4 @ 2Ω)

Cicada Audio FLX1400.4PRO — High-Power 4-Channel Class-D DSP Amplifier for Harley-Davidson (1,400W RMS / 350W x4 @ 2Ω)

$1,875.00
4 in / 4 out
1400W RMS
1998-20132014-20232024+
FairingLower FairingSaddlebagsTour Pack
HKI Mini DSP — 8-Channel Digital Sound Processor for Motorcycle & Powersports Audio

HKI Mini DSP — 8-Channel Digital Sound Processor for Motorcycle & Powersports Audio

HKI Mini DSP — 8-Channel Digital Sound Processor for Motorcycle & Powersports Audio

$650.00
8 in / 8 out
1998-20132014-20232024+
Hertz S8 DSP Ultra-Compact 8-Channel Motorcycle Digital Signal Processor

Hertz S8 DSP Ultra-Compact 8-Channel Motorcycle Digital Signal Processor

Hertz S8 DSP Ultra-Compact 8-Channel Motorcycle Digital Signal Processor

$1,310.00
8 in / 8 out
1998-20132014-20232024+

DSP — the missing piece in a high-output Harley audio system

A digital signal processor (DSP) sits between your head unit output and your amplifiers, applying time alignment, parametric EQ, and active crossover functions that a head unit's built-in processor cannot. On a Harley-Davidson, time alignment compensates for the asymmetric speaker placement across the fairing; active crossovers replace passive networks for better power handling and control. On 2024+ models with Skyline OS, a NAV-TV ZEN-H interface is required upstream to convert the A2B digital signal to analogue line level before the DSP receives it.

See also: Cicada Audio DSPHertz DSPDSP AmpsAmplifiersAudio Integration Interfaces