Garage
Shop

Infinity 2100M

Marine 2-Channel Amplifier

Infinity
Shop all Infinity
Product videos
highlight-star-icon

2-Channel Marine Amplifier • 125W RMS x 2 @ 4 • 150W RMS x 2 @ 2 • 250W RMS x 1 @ 4 • High- and Low-Level Inputs • Adjustable Input Sensitivity • White Marine Finish

Learn more about the 2100m

We apologize

This item has been discontinued

Product Highlights


2-Channel Marine Amplifier • 125W RMS x 2 @ 4 • 150W RMS x 2 @ 2 • 250W RMS x 1 @ 4 • High- and Low-Level Inputs • Adjustable Input Sensitivity • White Marine Finish

Description


Infinity brand icon

Authorized dealer

  • 2-Channel Marine Amplifier
  • RMS Power Rating:
    • 125 Watts x 2 Channels @ 4 Ohm
    • 150 Watts x 2 Channels @ 2 Ohm
    • 250 Watts x 1 Channel @ 4 Ohm Bridged
  • High- and Low-Level Inputs
  • Adjustable Input Sensitivity: 250mV - 4V
  • Stereo / Bridged Mode Selector Switch
  • Durable, Corrosion Resistant White Marine Finish
  • Protect LED
  • Stainless Mounting Hardware
  • Frequency Response: 10 Hz - 40 kHz
  • Dimensions: 8-1/8" L x 8" W x 2-3/8" H
  • 1-year SonicElectronix.com warranty

Best selling similar products

VADM4v2 small

NVX VADM4 v2 (VADM4v2)

• 80 watts x 4 channel @ 4 ohm
• 125 watts x 4 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(41)

$209.99

List price $239.99

VAD11005v2 small

NVX VAD11005 v2 (VAD11005v2)

• 80 watts x 4 channel + 350 watts x 1 channel @ 4 ohm
• 125 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 250 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
• Class D 2 ohm Stable 5-Channel Amplifier

(46)

$349.99

List price $419.99

VAD17001v2 small

NVX VAD17001 v2 (VAD17001v2)

• 800 watts x 1 channel @ 4 ohm
• 1350 watts x 1 channel @ 2 ohm
• 1700 watts x 1 channel @ 1 ohm
• Total RMS Power: 1700 watts
• Class D 1 ohm Stable Monoblock Amplifier

(35)

$259.99

List price $335.99

VAD10001v2 small

NVX VAD10001 v2 (VAD10001v2)

• 420 watts x 1 channel @ 4 ohm
• 760 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

(38)

$209.99

List price $227.99

VAD10004v2 small

NVX VAD10004 v2 (VAD10004v2)

• 150 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(24)

$279.99

List price $335.99

MVPA6 small

NVX MVPA6

• 100 watts x 6 channel @ 4 ohm
• 150 watts x 6 channel @ 2 ohm
• Bridged: 300 watts x 3 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 6-Channel Amplifier

(7)

$319.99

List price $383.99

MVPA4 small

NVX MVPA4

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

(70)

$279.99

List price $383.99

VADM1 small

NVX VADM1 v2 (VADM1v2)

• 240 watts x 1 channel @ 4 ohm
• 400 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 1 ohm Stable Monoblock Amplifier

(16)

$189.99

List price $239.99

AP200/4BT small

JL Audio AP200/4BT

• 40 watts x 4 channel @ 4 ohm
• 50 watts x 4 channel @ 2 ohm
• Bridged: 100 watts x 4 channel @ 4 ohm
• Total RMS Power: 200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

$549.99

List price $659.99

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
125 watts x 2 channel
RMS Power @ 2 ohms
150 watts x 2 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
250 watts x 1 channel
Amplifier Specifications
Number of Channels
2-Channel
Total RMS Power Output
300 watts
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
Speaker Level Inputs
Yes
Preamp Outputs
No
Signal-to-Noise Ratio
91 dB
Fuse Rating
20A x 2 

Item Details


Manufacturer:

Model Number:

2100M

Weight:

10.00lbs

Internal SKU:

2100m

Internal Product ID:

5311

Product and How-to Videos


Customer Ratings & Reviews


Infinity 2100M thumbnail image

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



Durability
5
Value
3
Features
3
Design
2
Usability
5

Customer Reviews

Sort by:

Loading...

awesome

Great amp for marine use, used for a little over a year now puts of just as much power as needed.

By Robert on November 3, 2005

4 found this helpful




SX900.2 small

Kicker SX900.2

SX 2-Channel Amplifier with Digital Sound Processing 04SX900.2

$499.99

List price $1099.99

A8002T small

Audiobahn A8002T

1600W Max, 2-Channel Intake Series Amplifier

(19)

$119.99

List price $369.99

Related Searches


Save up to 10 different vehicles in your garage

Add vehicle
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.