Hertz Fairing Combo Kit - Stage1

This is a great 2-speaker starter package or just a fairing-only package.

If you want to upgrade later on, no problem! The amplifier includes an additional 2 channels for future use (some additional wiring will be needed).

What’s Included:

• One pair of Hertz SX165 Neo 6.5" Speakers
• One Hertz SP4-900 Amplifier
• All wiring needed to complete the 2-speaker and amp installation and interface with your factory radio

Technical Specs:
Component SPL COAXIAL
Size mm (in.) 165 (6.5)
Power Handling - Continuous W 100
Power Handling - Peak W 200
Impedance Ohm 4
Tweeter diaphragm mm (in.) PEI
Woofer Voice Coil Ø mm (in.) 38 (1.5)
Tweeter Voice Coil Ø mm (in.) 28 (1.1)
Frequency Response Hz 100 ÷ 20k
Woofer Magnet size D x d x h mm (in.) 70 x 45 x 7 (2.76 x 1.77 x 0.28)
Tweeter Magnet size D x h mm (in.) 19 x 3 (0.75 x 0.12)
Weight of one speaker kg (lb.) 0,94 (2.08)
Woofer Magnet Special Neodymium N38 H
Tweeter Magnet Special Neodymium N38 H
Cone Water repellent pressed paper



Electro-acoustic Specs:

D mm 128
Re Ohm 3,3
Fs Hz 110
Le mH 0,061
Vas I 4,92
Mms g 10,14
Cms mm/N 0,21
BL T*m 5,83
Qts 0,64
Qes 0,68
Qms 9,7
Spl dB 96,5

General Specs:

Channels 4 - 3 - 2
Nominal power supply voltage 11 ÷ 15 VDC
Pulse Operating voltage 6 ÷ 16 VDC
Idling current 1.1 A
Idling current when off 0.03 mA
Consumption @ 14.4 VDC, MIN load impedance (Max Musical Power) 50 A
Remote IN 6 ÷ 15 VDC (9 mA)
DC-REM - Remote Turn on by SPK DC from OUTPUT BTL speakers 3.5 ÷ 7 VDC
Distortion - THD @ 1 kHz, 4Ω, 70% Rated Power 0.02%
Damping factor @ 1 kHz, 4Ω, 2 VRMS 200
Bandwidth @ -3 dB 10 Hz ÷35 kHz
S/N ratio (A weighted @ 1 V Input) 105 dBA
Pre-In sensitivity 0.6 ÷ 6 VRMS
Speaker-In sensitivity 2.2 ÷ 22 VRMS
Minimum load impedance:
@ 4Ch 2Ω
@ 3Ch 2Ω + 2Ω + 4Ω
@ 2Ch 4Ω
IP Rating IP55
Operating Temperature Range 0°C (32°F) to 55°C (131°F)
Max size (mm/inch) 211.6 x 130 x 49 / 8.33 x 5.118 x 1.929
Weight (kg/lbs) 2.15 / 4.74
Adjustable Crossovers yes