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Jensen XDA91RB Mono Amplifier vs VEVOR Monoblock Car Amplifier 400W

The Jensen XDA91RB is the more capable amp: it makes 600W RMS at 1 ohm, has a 5-band EQ, a Bluetooth app for tuning, and RCA pass-through. The VEVOR is simpler and rated 400W RMS, stable to 1 ohm, with a wired remote bass knob and a cleaner 75 dB signal-to-noise figure. Owners rate the VEVOR higher (4.6 vs 4.0), but the Jensen offers more headroom and tuning for a serious subwoofer build.

  • Choose the Jensen XDA91RB if you want maximum power at low impedance, app-based tuning, and a 5-band EQ for shaping bass.
  • Choose the VEVOR if you want a straightforward monoblock with a wired remote level control and a higher owner rating.

Prices

  • Jensen XDA91RB Mono Amplifier: $69.34 at eBay (last seen Nov 9)
  • VEVOR Monoblock Car Amplifier 400W: $62.99 at Amazon (checked today)
  • Difference: the VEVOR Monoblock Car Amplifier 400W is $6.35 cheaper than the Jensen XDA91RB Mono Amplifier at the latest prices (Nov 9 and Nov 10)
Jensen
Jensen XDA91RB Class-D Mono Amplifier

Jensen XDA91RB Mono Amplifier

Jensen XDA91RB Class-D Mono Amplifier

4(251 ratings)
$69.34at eBayChecked Nov 9
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Visit eBay

Store links may earn us a commission.

Pros
  • 600W RMS at 1 ohm gives strong headroom
  • Bluetooth app controls gain, crossover, bass and illumination
  • 5-band EQ and RCA pass-through add install flexibility
  • Slim 2.16 in chassis fits under seats
Cons
  • Lower owner rating than the VEVOR
  • 68 dBA signal-to-noise is modest
  • Needs two 25A fuses and a stout power run
VEVOR
VEVOR Monoblock Car Amplifier 400W RMS 1-Channel Class D

VEVOR Monoblock Car Amplifier 400W

VEVOR Monoblock Car Amplifier 400W RMS 1-Channel Class D

4.6(108 ratings)
$62.99at AmazonChecked 1 h ago
See all prices and details
Visit Amazon

As an Amazon Associate, Deal.ai earns from qualifying purchases.

Pros
  • Higher owner rating (4.6)
  • 75 dB signal-to-noise
  • Wired remote subwoofer level knob included
  • 1/2/4 ohm stable with phase shift
Cons
  • 400W RMS ceiling limits very loud setups
  • No app control or EQ
  • Taller, blockier footprint

What separates them

Jensen XDA91RB Mono AmplifierVEVOR Monoblock Car Amplifier 400W
RMS power240W at 4 ohm, 400W at 2 ohm, 600W at 1 ohm400W RMS max, 1/2/4 ohm stable
Tuning5-band EQ, Bluetooth app control, adjustable bass boost at 45 HzLow-pass filter, bass control, phase shift, wired remote level knob
Signal-to-noise ratio68 dBA75 dB
Frequency response20-250 Hz15-250 Hz
Inputs and outputsRCA and speaker-level inputs, RCA pass-throughStandard inputs, subwoofer output
Size and weight9.56 x 5.59 x 2.16 in, 4 lb, flat chassis6.9 x 8.9 in footprint, 4.2 lb
Owner rating4.0 out of 5 from 251 ratings4.6 out of 5 from 108 ratings

Price history

$79.00$59.85
Nov 1Nov 10
  • Jensen XDA91RB Mono Amplifier: lowest $79.00 on Nov 9 at eBay.
  • VEVOR Monoblock Car Amplifier 400W: lowest $59.85 on Nov 9 at VEVOR; $59.85 on Nov 10.

Prices at every store

Jensen XDA91RB Mono Amplifier

  • WalmartNew

    In stock

    $95.84Free shippingChecked Nov 9
    Visit Walmart
  • eBayPre-owned

    Availability unknownSold by cyv26-51 (100% positive, 1 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $45.00+ $6.83 shippingChecked Nov 9
    Visit eBay
  • eBayNew

    Availability unknownSold by retail-dealz-llc (99.6% positive, 11,900 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $69.34Free shippingChecked Nov 9
    Visit eBay
  • WalmartRefurbished

    Out of stockSold by XLGAMES

    $69.99Free shippingChecked Nov 9
    Visit Walmart

Also available at

  • eBayCheck price at eBay
  • WalmartCheck price at Walmart

Store links may earn us a commission. Some prices via Klarna.

All 2 stores and price history →

VEVOR Monoblock Car Amplifier 400W

  • VEVORNew

    In stock

    $63.00Free shippingChecked 1 h ago
    Visit VEVOR
  • The Home DepotNew

    In stock

    $83.75Free shippingChecked Nov 9
    Visit The Home Depot
  • TargetNew

    In stock

    $89.90Free shippingChecked 1 h ago
    Visit Target
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $62.99Free shippingChecked 1 h ago
    Visit Amazon
All 6 stores and price history →

Specs compared

SpecJensen XDA91RB Mono AmplifierVEVOR Monoblock Car Amplifier 400W
Frequency response20 Hz ~ 250 Hz15-250 Hz
Signal to noise ratio68 dBA75 dB (1W)
Number Of Channels11
Amplifier ClassClass DClass D
Output Channel Quantity11
Depth5.59 in8.9 in
Height2.16 in60 mm
Width9.56 in6.9 in
Weight4 lb4.2 lbs
RMS Power Rating240 Watts RMS x 1 channel @ 4 ohms400 W (MAX)
Total Power Output1200 Watts (Total Dynamic Power)400 W (RMS MAX)
Output Channels11
Show all 40 specsShow fewer specs
SpecJensen XDA91RB Mono AmplifierVEVOR Monoblock Car Amplifier 400W
Power Supply TypePWM MOSFETDC 9-16V (Voltage Range), DC 12V
With Rechargeable BatteryNoNo
TypeClass DClass D
colorBlack—
size2.16" x 9.56" x 5.59"—
RMS power at 4 ohms240 Watts RMS x 1 channel @ 4 ohms—
RMS power at 2 ohms400 Watts RMS x 1 channel @ 2 ohms—
RMS power at 1 ohm600 Watts RMS x 1 channel @ 1 ohm—
Total dynamic power1200 Watts—

What reviewers say

Jensen XDA91RB Mono Amplifier

  • 4 / 5251 ratings

Owners rate it around 4 out of 5 and generally like the app tuning and the power for the size. Some complain about background noise and app reliability.

What people mention
  • App controlPraisedOwners like adjusting gain, crossover and EQ from their phone.
  • Noise floorCriticisedSome hear hiss at idle, consistent with the 68 dBA rating.
  • Power outputPraisedReviewers say it delivers solid bass for its size.
  • Bluetooth reliabilityMixedThe app connection works but can drop or lag for some users.

VEVOR Monoblock Car Amplifier 400W

  • 4.6 / 5108 ratings

Questions and answers

Which amp is better for a single subwoofer?
The Jensen gives more power at 1 and 2 ohm and lets you tune the bass curve with its EQ and app. The VEVOR is enough for a moderate sub and adds a wired level knob.
Which one is louder?
The Jensen, on paper: 600W RMS at 1 ohm versus 400W RMS for the VEVOR. Real output depends on your sub's impedance and wiring.
Which has cleaner sound?
The VEVOR lists a higher signal-to-noise ratio (75 dB vs 68 dBA). The Jensen's EQ and app give more control over how the bass sounds.
Do I need the app to use the Jensen?
No. You can set gain, crossover and bass boost on the amp itself. The Bluetooth app adds finer control and lighting settings.
Is the VEVOR worth stepping up to from a basic amp?
Yes if you want a simple monoblock with a remote level knob and a strong owner rating. Step up to the Jensen instead if you plan to run low impedance or want EQ tuning.

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More comparisons

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  • Jensen XDA91RB Class-D Mono Amplifier vs Power Acoustik CA1-5000D 1-CH Monoblock 5000W Max Class-D Car Audio Amplifier
  • Power Acoustik CA1-5000D 1-CH Monoblock 5000W Max Class-D Car Audio Amplifier vs VEVOR Monoblock Car Amplifier 400W RMS 1-Channel Class D

Buying guides that pick them

  • Best mono Class D amplifiers
Dimensions
2.16″ X 9.56″ X 5.59″ (HXWXD)
—
Low-pass crossover32 Hz – 350 Hz—
Bass boost45 Hz—
Gain adjustmentVariable 200 mV ~ 6 V—
Fuse size and type25A x 2—
BluetoothYes (App Control)—
Connection TypeSpeaker wire, RCA—
Wi-FiNo—
Audio OutputsRCA Pass Through, Mono (Speaker Outputs)—
Output TypesRCA Pass Through—
Speaker OutputsMono—
Headphone JackNo—
Design HighlightsRGB Custom Color Illumination—
Audio InputsLow Level (RCA), High Level (Speaker Wire)—
Subwoofer Output—Yes
Audio Processing Highlights—With Bass Control, Low Pass Filter, Phase Shift
Crossover—Yes (Low Pass Filter)
Remote Control Features—Subwoofer Level Control
Included Accessories—Remote Subwoofer Level Control