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Hertz SP 4.900

1000W RMS Class D SPL Show Series 4-channel Full Range Car Amplifier

Hertz
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• 4 Channel: 160 watts x 4 channel @ 4 ohm
• 4 Channel: 250 watts x 4 channel @ 2 ohm
• 3 Channel: 160 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 4 ohm
• 3 Channel: 250 watts x 2 channel @ 2 ohm + 500 watts x 1 channel @ 4 ohm
• 2 Channel: 500 watts x 2 channel @ 4-ohm
• Total RMS Power: 1000 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

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List price $800.00
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Current Promotions (3 offers)


This offer cannot be combined with any other coupons or offers.

Hertz SP 4.900

30% off


Priced separately $1,217 98

Promo Savings of $155 40

Total price:

$1,062 58

This offer cannot be combined with any other coupons or offers.

Hertz SP 4.900

30% off


Priced separately $819 98

Promo Savings of $36 00

Total price:

$783 98

This offer cannot be combined with any other coupons or offers.

Hertz SP 4.900

50% off


Priced separately $749 98

Promo Savings of $25 00

Total price:

$724 98

Description


Hertz brand icon

Authorized dealer


Hertz SP 4.900

SP 4.900 is the first Hertz amplifier featuring the renewed Hertz ADC (Advanced D-Class) output stage, reaching up to 85% efficiency and delivering an impressive power rating of 160 x 4 (4Ω) W RMS or 500 W x 2 (4Ω) W RMS when bridged, with an ultra-compact size of 211.6 (8.3) x 130 (5.1) mm (in.). Being ultra-compact with impressive power, SP 4.900 is the ideal choice for Motorcycle application and for under-seat in sports cars and behind-seat installations in trucks.


Product Details:

  • Class D 2 ohm Stable 4-Channel-Channel Amplifier
  • RMS Power Rating:
    • 4 Channel: 160 watts x 4 channel @ 4 ohm
    • 4 Channel: 250 watts x 4 channel @ 2 ohm
    • 3 Channel: 160 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 4 ohm
    • 3 Channel: 250 watts x 2 channel @ 2 ohm + 500 watts x 1 channel @ 4 ohm
    • 2 Channel: 500 watts x 2 channel @ 4-ohm
  • Total power output: 1000 watts
  • CEA-2006 Compliant Amplifier
  • Ultra-compact size
  • IP55 dust- and water-protection rating
  • Pulse Width Modulated MOSFET power supply
  • LED Power/Protect Light
  • Speaker-level (high-level) inputs
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Bass gain/level remote included
  • Input sensitivity:
    • Low level: 0.6 - 6 volts
    • High level: 2.2 - 22 volts
  • Frequency Response: 10 - 35000 Hz
  • Total Harmonic Distortion (THD): 1%
  • Signal to Noise Ratio: 105 dB
  • Variable high-pass filter: 50 - 5000 Hz, 12 dB/octave
  • Variable low-pass filter: 50 - 5000 Hz, 12 dB/octave
  • Variable Bass Boost: 0 - 8 dB bass boost at 45 Hz
  • Fuse Rating: 50A
  • 4 AWG gauge power and ground wiring is recommended for installation.
  • Dimensions: 5.118" W x 8.33" L x 1.929" H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

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Specifications & Details


Key Features
Amplifier Key Features
Bass Boost
Compact Design
Speaker Level Inputs
Weather-Resistant
Power Specifications - Full Range Channels
RMS Power @ 4 ohms
160 watts x 4 channel
RMS Power @ 2 ohms
250 watts x 4 channel
Bridged RMS Power
500 watts x 2 channel
Amplifier Specifications
Series
SPL
Amplifier Class
D
Number of Channels
4-Channel
Total RMS Power Output
1000 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Frequency Response
10 - 35000 Hz
THD at Rated RMS Power
1%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
50 - 5000 Hz
Low-Pass Crossover Frequency
50 - 5000 Hz
Signal-to-Noise Ratio
105 dB
Bass Boost
0 - 8 dB
Remote bass/level controller
No
Fuse Rating
50A x 1 
Total Fuse Rating
50A
Strappable
No
Sonic Certified Amplifier
Not Tested
Amp Bluetooth Connectivity
No
Hi-Res Certified
No
Low-Level Input Sensitivity
0.6 - 6 volts
High-Level Input Sensitivity
2.2 - 22 volts
What is in the box?
Paperwork
User manual
Warranty/Registration card
WITB: Amplifiers
Amplifier
Mounting screws (4)
High-level input wiring harness w/ molex connectors (2)
Other Accessory #1
4 speaker to RCA adapters
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

SP 4.900

Weight:

2.55lbs

Internal SKU:

sp4900

Internal Product ID:

201056

Customer Ratings & Reviews


Hertz SP 4.900 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Photos & Videos


Customer Reviews

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Little but very powerful amplifier nice looking and heavy duty very nice and i mean nicequality forsure

I love how compact this amp is and it has a ton of power for the size of this thing very clean signal as well good quality amplifier can't go wrong with the hertz sp.4.900

By Patrick on September 14, 2025 Checkmark Icon Verified purchase

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