We have spent around 38 hours to find the right option for you and based on our research Nobsound G2 Subwoofer Amplifier Mono Power Amp PBTL/BTL Bridge 100W Mini Sub Amp Home Theater is our top pick for you. This is one of the best products currently available in the market. However, if you don’t want to spend extra then we have another great option for you is Rockford Fosgate Prime 500W RMS Mono Car Audio Class D Amplifier Remote & Kit. Below is a review of some of the best mono amplifiers, together with their specifications and functions. So, let’s Get Started!
Best mono amplifiers

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Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier,BLACK
Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier,BLACK
Features
- 300 Watts x 1 @ 4-Ohms, 500 Watts x 1 @ 2-Ohms, Frequency 20Hz to 250Hz +/-1dB
- Onboard 12dB/octave LP/HP/AP crossover & Infrasonic filter. Power Wire Gauge- 4 AWG. Power Input Connector-Screw Terminal. Suggested Alternator-75 A
- On-board Punch EQ with +18dB boost at 45Hz. Input Sensitivity: 150 mV to 4 V
- Cast Aluminum Heatsink with Stealth top mounted control panel
- Includes wired remote (Punch Level Control). High efficiency amplifier design that reduces current consumption from the charging system
Nobsound G2 Subwoofer Amplifier Mono Power Amp PBTL/BTL Bridge 100W Mini Sub Amp Home Theater
Nobsound G2 Subwoofer Amplifier Mono Power Amp PBTL/BTL Bridge 100W Mini Sub Amp Home Theater
Features
- 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.
Pioneer GM-D8701 Gm Series 1, 600 Watt Monoblock Class D Amp
Pioneer GM-D8701 Gm Series 1, 600 Watt Monoblock Class D Amp
$159.00 in stock
4 used from $132.99
Features
- 300W RMS x 1 @ 4Ω
- 500W RMS x 1 @ 2ω
- 800W RMS x 1 @ 1ω
- Free rasp: 10hz–240khz
- Signal-to-noise ratio: 100dB
Rockford Fosgate Prime 500W RMS Mono Car Audio Class D Amplifier Remote & Kit
Rockford Fosgate Prime 500W RMS Mono Car Audio Class D Amplifier Remote & Kit
Features
- **Amplifier:**
- New Rockford Fosgate R500X1D 500 Watt Mono D Car Amplifier
- Rated Power:
- 250 Watts x 1 @ 4 Ohms
- 500 Watts x 1 @ 2 Ohms
Planet Audio AC1500.1M Monoblock Car Amplifier – 1500 Watts Max Power, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Remote Subwoofer Control
Planet Audio AC1500.1M Monoblock Car Amplifier - 1500 Watts Max Power, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Remote Subwoofer Control
2 used from $89.99
Features
- power: max power output of 1500 watts at 2 ohms into one channel. maximum power output of 750 watts at 4 ohms into one channel. this amplifier is designed to run your subwoofer(s) giving them the power that they need to perform as they were meant to
- high level inputs: speaker level inputs are commonly referred to as high-level inputs. this input will be used to connect the ac1500.1m to your factory radio or aftermarket radio that does not have low-level (rca) inputs
- low level inputs: line level inputs, also known as rca inputs or low-level inputs, use rca interconnect cables to link the ac1500.1m with the source unit. most aftermarket radios have multiple pairs of rca outputs that can connect to multiple amplifiers
- low-pass crossover: a low-pass filter is an electronic circuit that removes all the notes below the filter's frequency setting. a low-pass filter will primarily keep high notes out of your subwoofer(s)
- variable bass boost: variable bass boost allows you to adjust the low bass within the boost range to just the way you like it
Pioneer GM-A3702 2-Channel Bridgeable Amplifier ,Black/red
Pioneer GM-A3702 2-Channel Bridgeable Amplifier ,Black/red
$89.96 in stock
2 used from $128.00
Features
- 500 Watts Max Power
- Automatic signal sensing and Turn-On
- Hi-Volt input level control
- Balanced isolator input circuit
Rockville DBM12 2000W 2 Ohm Marine/Boat Mono Amplifier Amp W/Covers+Bass Remote
Rockville DBM12 2000W 2 Ohm Marine/Boat Mono Amplifier Amp W/Covers+Bass Remote
1 used from $89.98
Features
- Rockville dBM12 2000w Peak/500w Dyno-Certified RMS Class-D Mono 2-Ohm Marine Amplifier With Terminal Covers and Bass Remote.
- Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc). 2 Ohm: 500 Watts x 1 Channel. 4 Ohm: 300 Watts x 1 Channel. Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). 2 Ohm: 2000 Watts x 1 Channel. 4 Ohm: 1200 Watts x 1 Channel. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry.
- Adjustable Low Pass Filter: 50Hz - 250Hz. Adjustable Subsonic Filter: 15Hz - 55Hz. Adjustable Input Level Control. Fully Adjustable 12dB Bass Equalizer. Minimum THD at Rated Power: 90 dB. Frequency Response: 15Hz - 250Hz. Damping Factor: >150 @ 100Hz. 60 Amp Maxi Fuse. Painted Conformal Coating PCB Board (Uses 2577 Waterproof Glue). Waterproof silicone covers for end panels. Rustproof Aluminum heatsink with white painted finish.
- Stainless steel end panels are rustproof. All screws and mounting hardware are stainless steel and rustproof. Bottom panel is aluminum and rustproof. High-Speed MOSFET Power Supply. Optical Coupler Class"D" Technology. Phase Control Switch. Mute and Delay Soft Start System. RCA Preamp Line Output. RCA Input. 8 Volt Preamp Circuitry. Status Mode LED Indicator. Full IC-Controlled Protection Circuitry.
- Remote Dashboard Subwoofer Control. Product Dimensions (W x H x L): 9? x 2.4? x 13.1? inches. Product Weight: 7.5 Lbs
Rockford Fosgate P500X1BD Punch 500 Watt Class-bd Mono Amplifier
Rockford Fosgate P500X1BD Punch 500 Watt Class-bd Mono Amplifier
Features
- The Punch P500X1bd is a full chassis (2.38” x 7.76” x 11.03”) mono amplifier optimized for subwoofers only, capable of 500 Watts into a 1-Ohm load
- Class-BD technology produces bass more efficiently over traditional amps (RMS Power Output: 150 Watts x 1 @ 4-Ohm OR 300 Watts x 1 @ 2-Ohm OR 500 Watts x 1 @ 1-Ohm)
- RCA inputs can accept both Hi and Low level audio signals without the need of a signal converter
- Featuring RCA pass-thru outputs, on-board Punch EQ with +18dB boost @ 45Hz, variable 12 dB/Oct Butterworth crossovers, and C.L.E.A.N. Set-up
- Famous Rockford Fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller
Blaupunkt 1500W 1-Channel, Monoblock Amplifier
Blaupunkt 1500W 1-Channel, Monoblock Amplifier
Features
- 1500W Maximum Power Monoblock Amplifier
- Optimized 563-watt RMS and a max output power of 1500 watts, you can give your music a huge boost in power that will have you and your passengers partying while on the road
- Compactly built so this amplifier can fit perfectly into any trunk
Alpine S-A60M S-Series Class D Mono Amplifier
Alpine S-A60M S-Series Class D Mono Amplifier
$144.95 in stock
Features
- 330 watts RMS x 14 ohms
- preamp and speaker-level inputs
- variable bass boost
- The amp includes preamp- and speaker-level inputs,you can installin almost any vehicle, even one with a factory radio.
In this article, we have reviewed the best mono amplifiers for our readers. We hope you get the perfect mono amplifiers from our above list. If you didn’t find your desired one then check out Pioneer GM-D8701 Gm Series 1, 600 Watt Monoblock Class D Amp one of the most valuable items in the market.