Clarion SRV250

75W 6.75" Subwoofer Loaded in a Powered Amplified Low Profile Enclosure


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General Features:

  • 6-3/4" Active Enclosed Low Profile Subwoofer System
  • RMS Power Rating:
    • RMS: 75 watts
  • AMI-PP (Polypropylene) Cone
  • High-strength aluminum enclosure for powerful response
  • Remote gain control to allow for remote adjustments
  • Compatible with RCA & speaker level inputs for system application versatility
  • LED power (green) and protect (red) indicators
  • Speaker-level (high-level) inputs
  • Heavy duty die-cast aluminum alloy heat-sink for extreme heat dissipation
  • Input sensitivity:
    • Level: 60mV-5V
  • Variable low-pass filter (50-120 Hz)
  • Frequency response: 30-200 Hz ±1dB
  • 8 gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this powered loaded enclosure
  • Dimensions: 10-13/16"W x 7-11/16"L x 2-3/4"H
  • 1-year Manufacturer's Warranty

Amplifier Specifications

Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.

150 watts
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.

75 watts
Maximum Input Gauge Size
This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
Speaker Level Inputs
Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Low-Pass (LP)
Low-Pass Crossover Frequency
The low-pass crossover frequency is typically used for subwoofers. It can be a fixed crossover point or a variable crossover range. A variable low-pass crossover allows you to select a specific crossover point which allows frequencies below the set crossover point to pass, while making frequencies above the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

50 - 120 Hz
Bass/Gain Remote
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.

Subwoofer Specifications

Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
30 - 200 Hz

Enclosure Specifications

Number of Subs/Speakers
This value represents the number of speakers or subwoofers that the enclosure accommodates.
The height of the item, measured from top to bottom, in inches.
The width of the item from left to right (side-to-side) measured in inches.
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating



Great Value

February 26, 2014

It works fine, looks fine under the seat and sounds fine.

58 of 70 found this helpful

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Colfax, CA

Perfect to add some beat under the seat

March 17, 2014

Works great to add some supplemental low end and fits nicely under the seat.

55 of 65 found this helpful

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Good for adding some depth

September 17, 2013

I installed in my car, through high speaker input, with a on/off switch and a relay through the remote 12V input from the Head Unit; so when I want to add more bass, I turn it on. I like its the low energy consumption, just a few amps ( I have an ammeter that shows it).
The sound is not very powerful, it is a 6,5 inch sub, but it fits my needs, fulfilling the gap from a pair of 6 inch coaxial and 6 inch component speakers. If you want a more powerful sub, buy a 8 or 10 or 12 inch, though drawing a lot more current obviously. Quality is very good, no distortion, first I connected before the amp, but then the sound was low compared to the rest, and then later I connected after the amp, although not recommended, but I keep the volume at 35 to 45%, and I mostly use the amp for enhancing the sound quality than to hearing it extremely loud. The remote is a plus, with ranging frequency, 60 to 120hz if I remember correctly, so you can find the spot you like, according to the music and personal taste.
Buy it if you want to add some bass, don't buy it if you want a very powerful, car shaking bass.

53 of 63 found this helpful

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Columbia, TN

Great Item

October 20, 2013

If you are looking for a great powered sub woofer look no further.
I wanted a small powered sub woofer that would give me nice bass response but not to much and the Clarion SRV250 delivers.

46 of 56 found this helpful

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joliet il


March 20, 2015

sounds great fits great in my dodge ram. so easy to hook up.

43 of 52 found this helpful

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Grand Junction, CO

Not the best value

November 12, 2015

I have owned two different brands of 8 inch under seat subwoofers having excellent results. Since the Clarion has a smaller woofer, I actually bought two of these. I put one under each front seat of a Tacoma. The difference with or without the subs on was hardly audible while driving. They are very small and do help slightly with rounding out the sound, however I could only recommend this product if space is an issue. The Clarion sub is very small (you could almost fit two under each seat). Even with the gain set at the maximum level, sound output is very quiet, and frequency response says 35Hz but I would not agree. If these are turned up loud enough to enjoy they will clip and distort. Go for something with a larger woofer.

1 of 1 found this helpful

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Decatur, GA


February 13, 2016

I wanted a little more low range to compliment a speaker / amplifier / navigation head unit upgrade to my 20 year old 4 wheel drive. Space was the concern being only a extended cab. Aesthetics, we're also a minor concern due to the low clearance under my drivers seat and the unit would have to be exposed. Long story short, this unit turned out to be perfect in almost every category including price. The lows are..satisfying!

0 of 0 found this helpful

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Accessory Tools and Products

Accessories added


Trunk Kit - 20 Square Feet of Sound Dampening Material (Five 18" x 32" Pieces)

Your Price $59.99

Browse 2 questions and 4 answers
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Why did you choose this?
Sonic Electronix Store
Solid product
Raymond K on Jan 21, 2015
needed to replace a clarion SRV303 from a boat
Gregory s on Nov 14, 2014
I needed a powered sub to go into limited space in my porshe boxster.
Patrick K on Dec 10, 2014
between SRV250 Clarion vs Kenwood KSC- SW11 that there are differences?
Carlos H on Sep 30, 2014
Best Answer: The Clarion seems to have a better bass rang..
Reply · Report · Mike L on Sep 30, 2014
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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Clarion SRV250

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Clarion SRV250

75W 6.75" Subwoofer Loaded in a Powered Amplified Low Profile Enclosure


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