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Hertz SP 4.900 (Open Box, Great)

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

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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

Learn more about the sp4900_obg
Was $800.00 Details
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$391.99

 with warranty

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Open Box, Great
Open box icon Brand new $559.99

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Description


Hertz brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

Hertz SP 4.900

1000W RMS Class D SPL Show Series 4-channel Full Range Car Amplifier
Quantity: 1

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

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:

SP4900_OBG

Weight:

2.55lbs

Internal SKU:

sp4900_obg

Internal Product ID:

224766

Customer Ratings & Reviews



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

The following review is for SP 4.900, which is a part of the bundle you are viewing.

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

1 found this helpful Helpful?




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