How much power does it make at 4 ohms?

Crunch rates it at 4 x 250 watts into 4 ohms and 4 x 500 watts into 2 ohms. Bridged into 4 ohms it is rated at 2 x 1000 watts.

Can I run speakers and a sub on one amp?

Yes. Use two channels for the front speakers and bridge the other two into a 4-ohm sub.

Does it work with a factory head unit?

Yes. It has high-level inputs, so you can tap speaker-level signals without an aftermarket radio.

What crossovers does it have?

It has high- and low-pass filters adjustable from 40 Hz to 400 Hz, plus a 0/+6/+12 dB bass boost.

How much current does it draw?

It uses two 30A fuses, so plan wiring and a power supply that handle that draw.

Is it Class A/B or Class D?

It is Class A/B, which typically runs hotter and less efficiently than Class D designs.

Where is the Crunch GP-2000.4 4-Channel Car Amplifier cheapest?

At Walmart, for $88.99, as of our latest check.

What do buyers say about the Crunch GP-2000.4 4-Channel Car Amplifier?

Rated 4.1 out of 5 from 35 ratings.

Crunch GP-2000.4 4-Channel Car Amplifier

Best price now

$88.99at WalmartChecked Nov 9

Prices are checked against each store and labelled with when.

Visit Walmart

Crunch GP-2000.4 4-Channel Car Amplifier

Best price now

$88.99at WalmartChecked Nov 9

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $88.99 at Walmart on Nov 9.

Our take on the Crunch GP-2000.4 4-Channel Car Amplifier

The Crunch GP-2000.4 is a Class A/B four-channel car amplifier from the Ground Pounder series. Crunch rates it at 4 x 250 watts into 4 ohms, 4 x 500 watts into 2 ohms, and 2 x 1000 watts bridged into 4 ohms, with a 2 x 30A fuse rating. It carries high- and low-level inputs, 40-400 Hz high/low-pass filters, a 0/+6/+12 dB bass boost, and Speed-FET MOSFET output devices. It suits budget-minded drivers who want one amp to run front speakers and a sub, though its Class A/B design runs hotter and draws more current than a Class D rival.

Best forBudget four-channel buildsPowering front speakers plus a bridged subSystems with high-level factory head unitsDrivers who want onboard crossovers and bass boost

Pros

Four channels cover speakers and a sub from one amp
Bridged mode rated at 2 x 1000 watts into 4 ohms
High-level inputs allow factory head unit hookup
Adjustable 40-400 Hz high- and low-pass filters
Selectable 0/+6/+12 dB bass boost
Nickel-plated brass terminals and thermal-dispersion heat sink

Cons

Class A/B runs hotter and draws more current than Class D
Rated power is at 2 ohms; 4-ohm output is half
Two 30A fuses limit real-world current draw
Bass boost is a fixed three-step switch, not a dial

Crunch GP-2000.4 4-Channel Car Amplifier prices at every store

WalmartNew
In stockSold by D-C-OReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$88.99Free shippingChecked Nov 9
Visit Walmart

What reviewers say

4.1 / 535 ratings

Buyers rate the GP-2000.4 around 4.1 out of 5 and generally find it delivers solid power for the money. Some question whether it reaches its full rated output and note it runs warm.

What people mention

Power outputMixedSome owners say it plays loud and clean, while others doubt it hits the full rated numbers.
HeatCriticisedOwners report the amp gets hot during long, loud sessions.
ValuePraisedBuyers call it a lot of amplifier for the money.
InstallationPraisedTerminals and controls are described as straightforward to wire and set.

About the Crunch GP-2000.4 4-Channel Car Amplifier

The Crunch GP-2000.4 is a 4-channel Class A/B car amplifier from the Ground Pounder series. It is rated at 2000 watts total. It uses Crunch Speed-Fet MOSFET components and a high-energy pulse width modulated power supply.

The amplifier has high-pass and low-pass filters and a three-step bass boost. It accepts both high-level and low-level inputs. A heat sink with quick thermal dispersion technology manages heat, and the connections are nickel-plated brass.

Total power: 2000 watts
Power at 2 ohms: 4 x 500 watts
Power at 4 ohms: 4 x 250 watts
Bridged power: 2 x 1000 watts at 4 ohms
Channels: 4
Amplifier class: Class A/B
Series: Ground Pounder
Filters: High-pass and low-pass, 40 Hz to 400 Hz
Bass boost: 0 / +6 / +12 dB
Inputs: High-level and low-level
Fuses: 2 x 30A
Connections: Nickel-plated brass
Dimensions: 16.00" x 10.00" x 4.00"
Amp size (W x H x L): 8" x 2.375" x 11.5"

Specifications

color: MulticolorSource
size: 16.00" x 10.00" x 4.00"Source

Questions and answers

How much power does it make at 4 ohms?: Crunch rates it at 4 x 250 watts into 4 ohms and 4 x 500 watts into 2 ohms. Bridged into 4 ohms it is rated at 2 x 1000 watts.
Can I run speakers and a sub on one amp?: Yes. Use two channels for the front speakers and bridge the other two into a 4-ohm sub.
Does it work with a factory head unit?: Yes. It has high-level inputs, so you can tap speaker-level signals without an aftermarket radio.
What crossovers does it have?: It has high- and low-pass filters adjustable from 40 Hz to 400 Hz, plus a 0/+6/+12 dB bass boost.
How much current does it draw?: It uses two 30A fuses, so plan wiring and a power supply that handle that draw.
Is it Class A/B or Class D?: It is Class A/B, which typically runs hotter and less efficiently than Class D designs.
Where is the Crunch GP-2000.4 4-Channel Car Amplifier cheapest?: At Walmart, for $88.99, as of our latest check.
What do buyers say about the Crunch GP-2000.4 4-Channel Car Amplifier?: Rated 4.1 out of 5 from 35 ratings.