Introduction
This manual provides detailed instructions for the Kinter MA170+ 2-Channel Mini Amplifier. Designed for versatile audio applications, this compact amplifier delivers clear sound with adjustable bass and treble controls. It is suitable for auto, home, cycle, and arcade DIY audio setups.
Key Features
- Adjustable bass and treble for lifelike sound
- Pulsating LEDs change color
- Extruded aluminum housing with mounting tabs great for Arcade Sound
- RCA Left and Right inputs
- INCLUDES 12V 3A POWER SUPPLY
- 2 x 18 Watts - Stereo Output for most audio applications
- Accepts RCA Left/Right analog input from most audio sources (does not provide wireless audio input such as Bluetooth).
Package Contents
- Kinter MA170+ 2-Channel Mini Amplifier
- 12V 3A Power Supply
- User Manual
Setup Guide
Step 1: Identify Front and Rear Panels
Familiarize yourself with the amplifier's front and rear panels. The front panel features power, bass, volume, and treble controls. The rear panel includes audio input, speaker outputs, and the DC 12V input.
Image: Diagram showing the front and back panels of the Kinter MA170+ amplifier with numbered functions and specifications.
Step 2: Connect Speakers
Connect your 4-16 Ohm speakers to the "SPEAKER OUT" terminals on the rear panel. Ensure correct polarity (red to red, black to black for each channel).
Image: Rear view of the Kinter MA170+ amplifier showing RCA audio inputs, speaker output terminals, and DC 12V power input.
Step 3: Connect Audio Source
Connect your audio source (e.g., smartphone, laptop, DVD player) to the "AUDIO IN" RCA Left/Right inputs on the rear panel.
Image: Application diagram illustrating how to connect various audio sources (smartphones, laptops, DVD players, televisions) to the Kinter MA170+ amplifier using RCA cables, and then connecting the amplifier to 4-8 Ohm speakers.
Step 4: Connect Power Supply
Plug the included 12V 3A power supply into the "DC 12V" input on the rear panel of the amplifier, then plug the power supply into a wall outlet.
Image: Rear view of the Kinter MA170+ amplifier with the included 12V 3A power supply shown next to it.
Operating Instructions
Power On/Off
Press the "POWER" button on the front panel to turn the amplifier on or off. The volume knob will illuminate when powered on.
Image: Front view of the Kinter MA170+ amplifier showing the power button, bass, volume, and treble knobs.
Volume Control
Rotate the large "VOLUME" knob clockwise to increase volume and counter-clockwise to decrease it.
Image: Front view of the Kinter MA170+ amplifier showing the volume knob illuminated with various LED colors, indicating its pulsating color-changing feature.
Bass and Treble Adjustment
Use the "BASS" and "TREBLE" knobs to fine-tune the audio output to your preference. Rotate clockwise to boost and counter-clockwise to cut.
Image: Front view of the Kinter MA170+ amplifier highlighting the bass and treble adjustment knobs.
Maintenance
To ensure the longevity and optimal performance of your Kinter MA170+ amplifier, follow these maintenance guidelines:
- Keep the unit in a well-ventilated location to prevent overheating.
- Avoid excessive dust accumulation. Regularly wipe the exterior with a soft, dry cloth.
- Do not expose the amplifier to moisture or extreme temperatures.
- Disconnect power before cleaning or if the unit will be unused for an extended period.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Sound Output | Incorrect speaker connection; Audio source not connected; Power off. | Check speaker polarity and connections. Ensure audio source is properly connected to RCA inputs. Verify amplifier is powered on. |
| Distorted Sound | Volume too high; Incorrect impedance; Poor audio source quality. | Reduce volume. Ensure speakers are within 4-16 Ohm impedance range. Test with a different audio source. |
| LEDs Not Lighting Up | No power; Faulty unit. | Check power supply connection and wall outlet. If problem persists, contact support. |
Specifications
| Feature | Detail |
|---|---|
| Input Voltage | 9-14.4V DC |
| Frequency Response | 20Hz-20KHz |
| Output Impedance | 4-16 Ohms |
| Output Power | 2 x 18W / 4Ω 10% THD Max |
| Harmonic Distortion | ≤0.02% 4W |
| SNR | ≥78dB |
| Treble Adjustment | ±9dB 10KHz |
| Bass Adjustment | ±9dB 100Hz |
| Input Impedance | 47K Ohms |
| Rated Input Voltage | DC12V |
| Rated Input Current | ≤3A |
| Product Dimensions | 4.3 x 3.5 x 1.9 inches |
| Item Weight | 8.3 ounces |
Warranty and Support
Kinter products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Kinter website.
