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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
Audiopipe APMCRO-4100 Micro Full-Range 1300W Max Full-Range Class D 4-Channel Amplifier 4 x 180W RMS @ 2-OhmAudiopipe APMCRO 4100 APMCRO Series High Output Micro Class D 4 Channel Amplifier 1600 Watts The Audiopipe APMCRO 4100 is the high output flagship of the APMCRO Micro Series, engineered to deliver incredible power density for space constrained environments. Measuring just over 9 inches in length, this 4 channel powerhouse produces a staggering 1600 Watts of peak power, providing the high current drive necessary for premium component systems and high
Audiopipe APMCRO-4100 APMCRO Series High-Output Micro Class D 4-Channel Amplifier – 1600 WattsThe Audiopipe APMCRO-4100 is the high-output flagship of the APMCRO Micro Series, engineered to deliver incredible power density for space-constrained environments. Measuring just over 9 inches in length, this 4-channel powerhouse produces a staggering 1600 Watts of peak power, providing the high-current drive necessary for premium component systems and high-SPL pro-audio speakers. Utilizing advanced Class D architecture, the APMCRO-4100 maintains exceptional thermal efficiency and a small electrical footprint, making it the premier choice for Harley-Davidson® fairings, UTVs, and high-end stealth car builds. With independent crossover controls for front and rear channels and high-level input capability, it offers the ultimate combination of raw power and installation flexibility.
Key Features
- High-Output Micro Design: Engineered to deliver massive wattage (100W x 4 RMS @ 4-Ohm) from an ultra-compact chassis that fits in the tightest mounting locations
- Advanced Class D Circuitry: Provides high-fidelity audio reproduction with superior electrical efficiency and minimal heat soak
- 4-Channel Versatility: Massive 1600 Watts Peak; can be configured for 4-channel stereo, 3-channel (stereo/bridged), or high-power 2-channel bridged operation
- Dual Input Compatibility: Features both RCA (Low-Level) and Speaker-Level (High-Level) inputs for seamless integration with factory head units
- Surgical Frequency Control: Independent variable High Pass (HP) and Low Pass (LP) crossovers (50Hz – 250Hz) allow for precise tuning of each speaker pair
- Switchable Bass Boost: Integrated 0dB / 6dB / 12dB bass EQ allows you to add significant low-end punch to your system
- Rugged Construction: Heavy-duty aluminum heatsink and a double-sided PCB design ensure durability in high-vibration powersports applications
- Comprehensive Protection: 4-way diagnostic circuitry monitors for thermal overload, short circuits, and voltage spikes to protect your investment
- Nickel-Plated Connections: Corrosion-resistant terminals provide a high-conductivity path for maximum power transfer and signal clarity
- 1600 Watts Peak Power
- 600 Watts Total RMS Power (150W x 4 @ 2-Ohm / 100W x 4 @ 4-Ohm)
- Dimensions: 9.3" L x 4.8" W x 1.9" H
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1317 reviews
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Product Reviews
★★★★★ 4
Time release is the best way
I like these time released tablets. Time release is surprisingly hard to find unlike the immediate release style tablets. Time release allows for a longer sleep pattern as it enters the blood stream slowly over time allowing it to stay in you system. Immediate release will hit you hard and fast but your body will metabolize within a couple of hrs leaving you without the melatonin in you system. I took off a star for being pricey, but these do work very well.
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Reviewed in the United States on October 17, 2025
★★★★★ 5
Effective,low dose melatonin
Purchased this product again.
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Reviewed in the United States on May 7, 2026
★★★★★ 3
Three Stars
Will help you sleep.
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Reviewed in the United States on October 8, 2016
★★★★★ 5
Good
The only melatonin that works for me
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Source Naturals Melatonin is the best!
My husband and I have been using Source Naturals Melatonin for almost 25 years. I have tried a few other brands, and I definitely think Source Naturals is the best! I once saw a program on Discovery channel about how Melatonin is an important heart antioxidant, and that after age 40 the Melatonin in our system goes way down. We had also just moved to a high altitude town, and I was having great difficulty sleeping because of the high altitude. We started taking Source Naturals Melatonin, and I was able to sleep like a baby. I really recommend the time release especially, and we also take a 1 mg sublingual lozenge to fall asleep more quickly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 27, 2017
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