Best passive subwoofer amp for 2020

When it comes to choosing your passive subwoofer amp, there are hundreds of different choices. In our review, weve considered all the various features youll need to know before buying the best passive subwoofer amp. We hope that through this article, with our comparison table, in-detail review of each product can help you decide which one is your best passive subwoofer amp.

Best passive subwoofer amp

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Best passive subwoofer amp reviews

1. Rockville 3000 Watt Peak / 800w RMS 2 Channel Power Amplifier Pro/DJ Amp (RPA9)

Feature

Rockville RPA9 3000 Watt peak 2 channel professional/DJ rack mount amplifier. 2U rack space
Bridged and stereo output switch makes this perfect for (2) subwoofer, (2) speakers, or (4) speakers
Built in Crossover switch allows make this perfect for speakers, monitors, or subwoofers
Channel a & B clipping LED indicators. Channel a & B separate level controls
Power, Signal, overload, clipping, and protection LED indicators on front of amp
Heavy duty rack mount ears with handles. Built-in dual high velocity quiet cooling fans
Maximum headroom for 4-ohm and 8-Ohm speakers. Level controls for precise setting and matching of sensitivity
Computer controlled ice protection circuitry against speaker short circuit, Thermal over load, DC over load. User serviceable fuse (5A, 250V)
Frequency response: 20Hz to 20kHz <+/- 0.5dB. Distortion: <0.03%. input impedance: 20K ohm balanced and 10K ohm unbalanced
Signal to noise ratio: > 102dB. Power Requirements: 120V/ 50-60Hz. Weight: 17.19 lbs. Dimensions: 18.97" X 13.97" X 3.54"

2. Acoustic Audio WS1005 Passive Subwoofer Amp 200 Watt Amplifier for Home Theater

Feature

To be used with Passive Subwoofers only ,In Wall or In Ceiling Home Entertainment,Home Theater Systems,Industrial Sound Systems ,Multiple Room Systems
Power Amplifier Output: 200 Watts, Low Bass Frequency Response of 50 200 Hz +/- 3dB
Output Impedance: 4-8 ohm. CL3 Rated in wall certified raw speaker wire to connect your amp to the speaker
Sub volume and crossover control knobs
LFE and RCA Inputs for use from a home audio receiver. Raw wire outputs.

3. Nobsound NS-03G Subwoofer Amplifier 100W Mini Sub Power Amp (Black)

Feature

NS-03G is a sub power amplifier for passive subwoofer. Please note it is not compatible with active/powered subwoofers as well as normal speakers.
It adopts TPA3116D2 chip and can offer 100W high power. With smooth volume control knob.
Super mini size and solid shell. It can be easily placed on your desktop or your subwoofer.
3.5mm AUX input. You can connect various sound sources like phones, CD players, TV very easily.
This one doesnt include a power supply. You can choose our high quality 19V power supply (ASIN: B074J81XRB) or buy the power supply you like. Please choose good quality power supply. We recommend 12~24V, at least 4A.

4. Subwoofer Amplifier Receiver 100Watt Mini Hi-Fi Digital Class D Integrated Stereo Audio Amp for Sub Bass + Power Supply TP-01

Feature

Home Hi-Fi Amplifier: Come with 19V 4.74A power adapter that can be carefully matched with this home mono integrated amp physically as well as electrically
Hi-Fi Amp with Clean Sound Quality: Adopt Texas Instruments TPA3116 chip, NE5532 op-amp. No pop, no audible noise, dead silent when nothing is playing through it
Mini Compact but Powerful: Built-in low pass filter,100W X 1(4 ohms, 20 Hz - 120Hz, 0.04% THD, 18db/octacce) for subwoofer, Small simple compact design but practical and powerful
NO SPARKS: Advanced circuitry design, built-in speakers protection circuit, NO SPEARKS
High Quality After-sale Service: With 18 months warrenty and 24 hours after-sale service online to provide you the great shopping exprerience.

5. Nobsound 100W Subwoofer Amplifier Digital Power Sub Amp Audio Mini Bass Amp with Power Supply (Black)

Feature

Subwoofer amplifier with 100W powerful output can drive most subwoofers
Added NE5532 buffer OP-AMP to increase more dynamics than other similar products
Sound is very clean with powerful bass and no background noise
Super mini size suits very well for home, office and desktop use
3.5mm input and banana plug (one subwoofer) output; With our customized high-quality power supply

6. OSD Audio SMP100 Mono 100W Class D Subwoofer Amplifier, Compact, Crossover/Phase Control

Feature

BRING IN THE BASS: A highly efficiency subwoofer amplifier that serves up big bass with up to 100W peak/40W RMS for deep, crisp, clean low frequency sound effects
WORKS WITH ALL RECEIVERS: Compatible with older and newer source equipment and includes both RCA and speaker level input/outputs for greater flexibility with various home theater audio systems
ADJUSTABLE CONTROLS: Includes auto on/off sensing as well as phase, crossover and volume controls to dial in just the right amount of bass Key Product Features
EFFICIENT CLASS D TECHNOLOGY: A highly efficient Class D sub amp that is ideal for budget-minded users who want a feature-rich digital sub amp that does not run hot or take up a lot of space
COMPACT DESIGN: Measures less than 6 inches wide and 5 inches deeps so it can fit just about anywhere

7. Fosi Audio Subwoofer Amplifier Mono Channel Amp Home Theater Power Amp 100W M02

Feature

Hi-Fi Amp with Clean Sound QualityM02 subwoofer amp adopt with the Instruments TPA3116 chip,NE5532 op-amp, can provide 100watt output power for 4 ohm subwoofer or speaker. No pop, no audible noise, dead silent when nothing is playing through it.
Full-Frequency and Sub Bass Switchable With a selector can be switched to subwoofer bass amplifier or full frequency mono amp, can be connected to passive suboower, passive speaker or active subwoofer.
Mini Compact but PowerfulBuilt-in low pass filter for subwoofers with sub frequency control, small simple compact design but practical and powerful;
Home Hi-Fi amplifierHome Hi-Fi mono integrated class d amplifier, Exclusively designed for the customers who pursue HiFi sound; Ship with 19v 4.7A power adapter;
High Quality After-sale Service With 18 months warrenty and 24 hours after-sale service online to provide you the great shopping exprerience.

8. Nobsound G2 Subwoofer Amplifier Mono Power Amp PBTL/BTL Bridge 100W Mini Sub Amp Home Theater

Feature

G2 can be used as a sub amp or a mono channel amp. It has a mode switcher which can change between SUB and PBLT modes conveniently. Equipped with 19V 4.74A high quality power supply.
Applications: G2 can be used as a subwoofer power amplifier for passive subwoofers; G2 can be used as a mono amp to drive single channel. You can use two G2 to drive left and right channel separately, which are known as PBLT / BTL Bridge amp. Compared with normal 2.0CH amps, it can ensure totally no interference between two channels and can provide higher power.
It has a gain setting which allows 4-level of output level setting (20/26/32/36 dB). It can keep the purity of the sound and avoid the resistor influence. Besides, it also has a bass cutoff frequency control knob.
It adopts TI TPA3116 and NE5532 op-amp, which can offer 100W high power and can drive most home sub and mono speakers. Its optimized circuit can ensure totally no background noise. Besides, it also built-in speaker protection circuit and low pass bass filter.
18-month warranty. Prompt and courteous customer service. For any questions you have, please feel free to contact us.

9. Subwoofer Amplifier 200 Watt Mini Mono Audio Amp Full-Frequency and Sub Bass Switchable Amplifier One Channel Home Theater Single Power Subwoofer Amp Fosi Audio M03

Feature

Hi-Fi Amp with Clean Sound QualityFosi Audio M03 subwoofer amp adopts the Instruments TPA3255D2 chip, High Efficient Power Output Up to 200Watt, providing 150 watts RMS into 4-ohm loads or 120watts to 8-ohm loads. Great amplifier to driver any bookshelf speaker or subwoofer.
Subwoofer amplifier and Full-Frequency Mono AmpSwitch to PBTL, it's a Full-Frequency Mono amp for driving passive speakers and powered subwoofer. Switch to SUB, it's a subwoofer amplifier for diving passive and powered subwoofers.
Mini Compact but PowerfulBuilt-in low pass filter for 20-300Hz subwoofers with SUB frequency control, small simple compact design but practical and powerful;
Home Hi-Fi amplifierExclusively designed for the customers who pursue HiFi sound; MAX Power Output:200Watt. Note: Package comes with 32V/5A power supply, you need a more powerful power supply to get the MAX power output.
What You Get: M03 amp x1, 32V/5A power adapter x1, user manual x1, 18-Month global warranty, and 24-Hour quick customer service.

10. KEiiD WiFi Bluetooth Stereo Digital Receiver Amplifier for 2.0/2.1 Home Audio Bookshelf Passive Speaker System with Optical AUX Input, Subwoofer Output, App Control with Clock Alarm & Sleep Timer

Feature

Latest Stereo Receiver & Amplifier for Home Audio Neat and beautiful D-class RMS 2 x 40W digital receiver & amplifier, be able to hook up with passive speakers up to 200W( 6- 8 ohm speakers are suggested), Perfect for streaming your favorite music, radio stations, audiobooks, etc. suitable for HiFi music purpose and home audio entertainment.
Latest Wi-Fi connection with app control This WiFi audio receiver can stream thousands of on line music and radio resources by its unique app MUZO with limitless connecting distance. You can preset up to 10 music or radio contents via app and one-key shift by its remote control conveniently. Get multi KD-W02 receivers and be able to control multi-room synchronously or separately with one app.
Highest Bluetooth 5.0 chip technology It has built-in Qualcomm (CSR) Bluetooth 5.0 receiver which is with the best sound optimization and connection, Up to 65ft connection distance (in flat area) enables device streams wireless music stably and lossless in every corner of your home.
Wake up in each morning with your favorite songs or radio programs You can set multi clock alarms via its app and select your favorite songs or the preset contents to be the alarm ringtone. Also, a sleep timer between 10-90 minutes is settable which avoid endless sound while falling asleep.
Strong Compatibility and High Practicability KD-W02 has 4 receiving modes (Wi-Fi, Bluetooth, AUX, Optical), it can be connected and drive any passive speakers up to 200 W which perfect for all kinds of home audio systems, 3.5mm subwoofer audio output allows you to connect an external active subwoofer and make it a 2.1 home stereo audio system.

Conclusion

All above are our suggestions for passive subwoofer amp. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using passive subwoofer amp with us by comment in this post. Thank you!