Top 10 Best passive subwoofer amplifier

Top 10 Best passive subwoofer amplifier in 2021 Comparison Table

Bestseller No. 1
Acoustic Audio WS1005 Passive Subwoofer Amp 200 Watt Amplifier for Home Theater
  • 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.
Bestseller No. 2
Fosi Audio M02 Subwoofer Amplifier Mono Channel Amp Home Theater Power Amp 100Watt
  • ❤ 【Hi-Fi Amp with Clean Sound Quality】M02 subwoofer amp adopts 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/speaker.
  • ❤【Mini Compact but Powerful】Built-in low pass filter for subwoofers with sub frequency control, small simple compact design but practical and powerful.
  • ❤【Home Hi-Fi amplifier】Home Hi-Fi mono integrated class d amplifier, Exclusively designed for the customers who pursue HiFi sound; Ship with 19V 4.74A 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.
Bestseller No. 3
Nobsound G2 Subwoofer Power Amplifier Mini Mono SUB Amp 100W PBTL BTL Bridge Home Theater
  • 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: ① G2 can be used as a subwoofer power amplifier for passive subwoofers; ② 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.
  • Prompt and courteous customer service. For any questions you have, please feel free to contact us on Amazon.
Bestseller No. 4
Nobsound NS-03G Subwoofer Amplifier 100W Mini Sub Power Amp (Black)
  • 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 doesn’t 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.
Bestseller No. 5
FX AUDIO 2.1 Channel Bluetooth Amplifier with Subwoofer Output for Home Auido Passive Speaker & Passive Speakers 2 x 50W +100W Mini Stereo Audio Class D Amp TPA3116 24V 4A Power Supply
  • 【Yellow Immersion PCB Board】 The Bluetooth amplifier has great power amplification which can deliver high quality amplified audio,lossless sound quality. Long lasting and textured aluminum alloy metal oxidation wiredrawing shell, 1.6mm thick 1oz yellow immersion RF4 PCB board which is impact-resistant and high temperature resistant, gold-plated binding post, four durable silicone anti-skid pad. DC 24V 4A power supply
  • 【Multiple Input Options】 This Bluetooth stereo amplifier supports AUX/ RCA/ Bluetooth input. Bluetooth chip uses CSR8635. Compatible with most Bluetooth devices: smart phones, tablet PC, laptops, TV, projector, etc. Short press ON/OFF button to switch input modes
  • 【2.1 Channel Amplifier with Subwoofer Output】 This home audio amplifier with subwoofer output supports passive subwoofer & L/R passive speakers output which forms 2.1 channel system. L/R passive speakers has max 50W+50W power output. Passive subwoofer has max 100W power
  • 【Built-in Chip】 The Bluetooth home audio amplifier uses Teax IC TPA311, CSR8635 Bluetooth chip, OP IC NE5532, MCU chip STM8. Package includes XL-2.1BL home integrated mini amplifier, 1 x RCA cable, 1 x 3.5mm AUX to RCA cable, 1 x DC 24V 4A power cable, 1 x 3dB Bluetooth antenna. If you have any quality problems about our products, please feel free to contact us by emailing us
  • 【Bass, Treble and Volume Control】 The passive subwoofer amplifier equips separate subwoofer adjustment knob. Bass cut-off point 180Hz. The treble knob adjustment knob can only adjust the treble of the left and right channels, and the gain adjustment range is -6dB to 6dB. The volume knob controls the total volume. It is a great desktop audio power amp with low distortion and acoustically accurate reproduction of music
Bestseller No. 6
Subwoofer Stereo Amplifier -100Watt 2-8ohm TPA3116 Mono Channel Class D Amp Home Theater Power Amp for Passive Speakers/Home Bookshelf Speaker-Fosi Audio M04
  • Fosi Audio M04 is a sub amplifier for the passive subwoofer, adopts TPA3116 chip, NE5532 op-amp, can provide 100watt output power for 4-ohm subwoofer or speaker, with smooth volume control knob.
  • This amplifier improves the bass response of passive subs, can use a selector to switch to subwoofer bass amplifier or full frequency mono amplifier.
  • Mini size and solid shell, built-in low pass filter for subwoofers with sub frequency control, it's practical and powerful.
  • This Home Hi-Fi amplifier can get a deep, crisp, clean low-frequency sound effect in dedicated home theater systems and media rooms. Exclusively designed for the customers who pursue HiFi sound.
  • What’s you get: Fosi Audio M04 Amplifier x1,19V/4.74A power adapter x1, AC Cord x1, user manual x1 and 18 months warranty and 24 hours after-sale service online to provide you a great shopping experience.
Bestseller No. 7
Acoustic Audio HD-S10 in Wall 10" Home Theater Passive Subwoofer Speaker and Amplifier
  • Acoustic Audio HD-S10 passive in wall sub speaker, recommended power is 20-300 watts, frequency response is 26Hz-200Hz, efficiency is 98dB, 8ohm, spring loaded speaker wire terminals
  • 10" woofer, woven fiber bulletproof cone, butyl rubber surround for increased performance, paintable frame and grill, low profile housing, instructions included
  • Integrated wall-lock mounting system, cut out template included, cut out is 10.625" x 10.625", overall is 12" x 12", mounting depth is 3.75", designed and engineered in the USA
  • Acoustic Audio WS1005 passive subwoofer amplifier, 200 watts, 50-200Hz, output impedance: 4-8ohm, sub volume and crossover control knobs, LFE and RCA inputs, raw wire outputs, 2.25" x 8.5" x 6"
  • Use for in wall or in ceiling home entertainment, surround sound, home theater, multiple room systems, industrial sound, this listing and price is for 1 in wall passive sub speaker and 1 sub amp
SaleBestseller No. 8
Bazooka BT6014 BT Series 6-Inch 4 Ohm 100-Watt Passive Tube Subwoofer
  • Ported Cylindrical Enclosure With 6-1/2" Subwoofer includes Mounting Straps And Woofer
  • 4-Ohm Impedance5-Way Binding Post Wire Terminals power Handling: 6-100 Watts Rms
  • Frequency Response: 39-1,500 Hz sensitivity: 100 Db6-7/8"W X 8-1/4"H X 18-3/8"D
  • Passive Bass Tubes enclosure with six-inch subwoofer
  • Corner-loading optimization provides maximum bass performance
Bestseller No. 9
Fosi Audio BL20C Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 CH Mini Hi-Fi Class D TDA7498E Integrated Amp U-Disk Player for Home Passive Speakers Powered Subwoofer 160W x2 (with Power Supply)
  • 2.1CH Bluetooth 5.0 Stereo Amplifier. Features buttons to switch the previous/next song. The Bass & Treble buttons are easy to use to meet your different needs.
  • U-disk input for convenient and portable use. Audio Input: U-disk/ Bluetooth/ RCA. Audio Output: Powered Subwoofer + Passive Speakers. Support MP3/WMA/APE/ FLAC/WAV U-disk audio input, up to 32GB capacity.
  • Adopting classic TDA7498E chip to get clear and clarity sound without any audible noise even at high output. Advanced circuit design ensure Hi-Fi sound, compatible with iPhone/Android, iPod, iPad, PC, Laptop, TV, DVD etc.
  • 160Watt x 2 (DC19-35V, 98dB SNR, 0.05% THD), included high quality 24V/4.5A power supply enough to drive most passive speakers and powered subwoofer.
  • What you Get: BL20C amplifier x1, Bluetooth antenna x1, User Manual x1, Power Adapter x1, AC Cord x1, an 18-month worry-free warranty and friendly customer service.
Bestseller No. 10
FX AUDIO 2.1 Channel Bluetooth Amplifier for Passive Subwoofer 100Watt x2 TPA3116 NE5532 Class D Amplifier with Bass and Treble Control Mini HiFi Stereo Home Audio Wireless Amp RCA/AUX Input DC 24V/4A
  • ♪ BASS&TREBLE CONTROL— You can control the volume of the subwoofer via bass adjustment knob (bass knob not work for left and right channels).The cutoff point for the bass is 180H.Treble adjustment knob only control the treble volume of the right&left channels. Gain adjustment range is -6dB to 6dB
  • ♪ CONNECT PASSIVE SUBWOOFER—Expect connecting the left and right channel,2.1 Channel Class D Amplifier also can connect passive subwoofer,mainly enhance the bass area and give audiophile more choices.There isn’t any affection for 2 channels when you connect the passive subwoofer.
  • ♪ BLUETOOTH 4.0 FUNCTION—The stereo Bluetooth amplifier adopts high-quality Bluetooth chip CSR8635,you can connect the Bluetooth device within 10m barrier-free distance.The audio amplifier is compatible with all Bluetooth devices,such as smartphone,laptop,Bluetooth speaker and so on.
  • ♪ CONNECT MULTIPLE AUDIO EQUIPMENT—Via BT,RCA and AUX 3.5mm input interface,the optical audio amplifier can connect many audio source devices,including mobile phone,TV,laptop and CD/DVD;You can connect passive subwoofer and passive speaker to output.
  • ♪ HIGH-END CHIP—The audio power amplifier adopts high-end chips combination,such as teax amp IC (TPA3116),Bluetooth IC (CSR8635),op IC(NE5532) and STM8 MCU control.XL-2.1BL Class D amplifier synthesize better amplifier performance and improve cost performance;Package include:1 x XL-2.1BL;1x 24V 4A power supply;1x 3.5mm AUX cable;1x RCA cable;1 x 3dB Bluetooth antenna .

Are you looking for top 10 good passive subwoofer amplifier for your budget in 2021? Our team had scanned more than 32,947 customer satisfaction about top 10 best passive subwoofer amplifier in 2021, we have come up with the top 10 rated products you may be interested in. We have ranked the best brands from Artificial Intelligent and Big Data, as you see below:

Our Best Choice: Facmogu S-188 2.1 CH Bluetooth 5.0 Home Audio Amplifier, 45Wx2+68W Passive Subwoofer, 400W HiFi Stereo Power Amplifier Class D Speaker Amp for Home Theater Karaoke, with Remote Control & Power Adapter

Our rating:4.2 out of 5 stars (4.2 / 5)


Form: 2.1 Channel Electric power Amplifier

Input: Bluetooth / 3.5mm AUX / USB port / SD & TF Card

Impedance: 4-8 ohm

Power Output: 2 x 45W (RMS), 400W Peak Electrical power

Perform Voltage: AC 110-240V

Power Adapter: DC 12V 5A

SNR: 80db

Dimension: 17.6 x 12.7 x 4.3cm (6.9 x 5 x 1.7 inches)

Pounds: 506g (1.11 Lbs)

Warranty: 1-12 months cash back again warranty

Packing List

1 x S-188 Audio Amplifier

1 X DC 12V 5A Power Adapter

1 x Distant Manage

1 x English Instruction

【RMS 45Wx2 + 68W Passive Subwoofer 2.1 Channel】– It has a peak electricity of 400W that supplies sufficient electricity amplification to drive two speakers and an 68W passive subwoofer at the same time. Coming in a compact dimensions that allows you to retain it on a bookshelf or on the Tv set stand, perfect for your residence entertainment techniques and karaoke.
【Multiple Connectivity】– Latest Bluetooth 5. version that provides you a significant operating assortment of 33ft. You can connect it with your new music streaming products like laptop/cell/notebook both with Bluetooth link, 3.5mm AUX Cable Enter. It also supports USB Port, SD/TF Card port.
【HiFi Sound】– It has a substantial ability transformer that provides you apparent audio devoid of any distortion. It has a harmonic distortion much less than or equivalent to .04% this helps you listen crystal crystal clear and sharp music.
【Special Features】– Its distant command attribute makes it possible for you to adjust audio configurations from length generating you much less weary and more comfortable. Coming with an AC/DC energy adapter.
【Easy Operation】– With bass and treble regulate knobs you can get pleasure from the music output as for every your want. Brilliant digital LED screen lets you see the configurations you modify simply.

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