Hertz Audio

Hertz Audio engineers speakers and amplifiers built around real-world performance — tight tolerances, consistent output, and longevity under constant vibration. Their range spans compact coaxials through high-excursion mid-bass drivers and subwoofers, with amplifier lines to match. MAA stocks the Hertz models best suited to Harley-Davidson and powersports audio builds.
SpeakersAmplifiersSubwoofersDSPGrilles & Accessories

Speakers

Hertz SX 165 NEO – 6.5" Full-Range Coaxial Speaker

Hertz SX 165 NEO – 6.5" Full-Range Coaxial Speaker
$420.00
6.5 · Coaxial · 4 Ohm
120W RMS
Universal
FairingLower Fairing
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Hertz SX 200 NEO – 8" SPL Coaxial Speaker

Hertz SX 200 NEO – 8" SPL Coaxial Speaker
$890.00
8 · Coaxial · 4 Ohm
160W RMS
Universal
Lower FairingSaddlebags
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Hertz SV 200 L – 8" SPL Mid-Bass Driver

Hertz SV 200 L – 8" SPL Mid-Bass Driver
$440.00
8 · Mid-bass · 4 Ohm
Universal

Hertz SV 165.1 – 6.5" SPL Midrange Speaker

Hertz SV 165.1 – 6.5" SPL Midrange Speaker
$335.00
6.5 · Midrange · 4 Ohm
150W RMS
Universal
FairingLower Fairing

Hertz SX 690 H – 6×9" 3-Way Coaxial Speakers

Hertz SX 690 H – 6×9" 3-Way Coaxial Speakers
$610.00
6x9 · Coaxial · 4 Ohm
150W RMS
Universal
Saddlebags

Hertz SV 165 NEO – 6.5" SPL Neodymium Midrange Speaker

Hertz SV 165 NEO – 6.5" SPL Neodymium Midrange Speaker
$334.00
6.5 · Midrange · 4 Ohm
150W RMS
Universal
FairingLower Fairing

Amplifiers

Hertz SP4.500 — Advanced 4-Channel Class-D Motorcycle Amplifier (520W RMS / 130W x4 @ 2Ω)

Hertz SP4.500 — Advanced 4-Channel Class-D Motorcycle Amplifier (520W RMS / 130W x4 @ 2Ω)
$800.00
4x90W RMS
Universal
Fairing

Hertz HMP1D — Compact 1-Channel Class-D Motorcycle Subwoofer Amplifier (300W RMS @ 2Ω)

Hertz HMP1D — Compact 1-Channel Class-D Motorcycle Subwoofer Amplifier (300W RMS @ 2Ω)
$595.00
300W RMS
Universal
Saddlebags

Hertz HMP4D — Compact 4-Channel Class-D Motorcycle Amplifier (260W RMS / 65W x4 @ 2Ω)

Hertz HMP4D — Compact 4-Channel Class-D Motorcycle Amplifier (260W RMS / 65W x4 @ 2Ω)
$595.00
4x50W RMS
Universal
Fairing

Hertz SP4.900 — Advanced 4-Channel Class-D Motorcycle Amplifier (920W RMS / 230W x4 @ 2Ω)

Hertz SP4.900 — Advanced 4-Channel Class-D Motorcycle Amplifier (920W RMS / 230W x4 @ 2Ω)
$1,310.00
4x150W RMS
Universal
Fairing

Hertz SP1.900 — Compact 1-Channel Class-D Motorcycle Subwoofer Amplifier (1,000W RMS @ 1Ω)

Hertz SP1.900 — Compact 1-Channel Class-D Motorcycle Subwoofer Amplifier (1,000W RMS @ 1Ω)
$799.00
1000W RMS
Universal

Subwoofers

Hertz CS 250 S4 – 10" Subwoofer (4-Ohm)

Hertz CS 250 S4 – 10" Subwoofer (4-Ohm)
$315.00
10 · 4 Ohm
300W RMS / 600W MAX
Universal
Saddlebags

Hertz MPS 250 S4 – 10" Shallow Subwoofer (4-Ohm)

Hertz MPS 250 S4 – 10" Shallow Subwoofer (4-Ohm)
$629.00
10 · 4 Ohm
500W RMS / 1000W MAX
Universal
Saddlebags

Hertz MPS 250 S2 – 10" Shallow Subwoofer (2-Ohm)

Hertz MPS 250 S2 – 10" Shallow Subwoofer (2-Ohm)
$629.00
10 · 2 Ohm
500W RMS / 1000W MAX
Universal
Saddlebags

DSP

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
Universal

Grilles & Accessories

Hertz 1998–2013 Street Glide Fairing Speaker Grilles — Direct OEM Fit

Hertz 1998–2013 Street Glide Fairing Speaker Grilles — Direct OEM Fit
$110.00
1998-2013
Fairing
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Hertz HD24H – 6×9" Saddlebag Speaker Cut-In Kit for 2023.5+ Harley Touring

Hertz HD24H – 6×9" Saddlebag Speaker Cut-In Kit for 2023.5+ Harley Touring
$950.00
6x9 · Coaxial
100W RMS
2024+
Saddlebags

Hertz HD14H – 6×9" Saddlebag Speaker Cut-In Kit – Harley-Davidson 2014–2023

Hertz HD14H – 6×9" Saddlebag Speaker Cut-In Kit – Harley-Davidson 2014–2023
$850.00
6x9
2014-2023
Saddlebags

Hertz 2014–2023 Street Glide Fairing Speaker Grilles

Hertz 2014–2023 Street Glide Fairing Speaker Grilles
$110.00
2014-2023
Fairing

Hertz 2015–2023 Road Glide Fairing Speaker Grilles

Hertz 2015–2023 Road Glide Fairing Speaker Grilles
$110.00
2014-2023
Fairing

Hertz 1998-2013 Road Glide Fairing Speaker Grilles

Hertz 1998-2013 Road Glide Fairing Speaker Grilles
$110.00
1998-2013
Fairing

Choosing between Hertz coaxial and midrange speakers comes down to your install goals. Coaxials are a clean drop-in where space is tight; midrange drivers paired with a dedicated tweeter give you better imaging and higher output when you have room to work with.

Hertz amplifiers are a natural pairing — the power ratings align with the speaker specs, and the compact form factors suit underseat and saddlebag installs. If you're running a Hertz mid-bass driver, size the amp channel accordingly rather than relying on head unit power.

For builds that need low-end support, a subwoofer cut-in kit rounds out the system without major fabrication. Not sure which Hertz components suit your bike and budget? Contact MAA and we'll put together a matched system.