NUX AC-25 Portable Acoustic Guitar Amplifier - 25W - Bluetooth
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Product Information
Full details
The NUX AC-25 is designed for acoustic musicians and vocalists seeking a compact, versatile amplifier for practice, small gigs, or busking. Its key benefit is delivering a warm, transparent 25W sound with extensive shaping options and portability via battery power. A potential caveat is that its 6.5" speaker may not provide the depth for very large venues compared to larger systems. This amplifier features two independent channels for guitar and vocals, a rechargeable battery for up to 4 hours of use, built-in effects, a tuner, and Bluetooth connectivity.
All features
| Model Part Number | 173.379UK |
|---|---|
| Brand | NUX |
Extended Product Information
FAQs
What is the battery life of the NUX AC-25?
The internal rechargeable battery provides up to 4 hours of operation on a full charge, depending on volume and usage.
Can I use the AC-25 for electric guitar?
While designed for acoustic instruments, it can be used for electric guitar at low volumes for practice, but it won't provide the characteristic tones of a dedicated electric guitar amp.
Does the AC-25 have phantom power for microphones?
The product description does not specify phantom power. It is generally designed for dynamic microphones or instruments with active pickups. Check the product manual or contact NUX support for definitive confirmation.
How do I update the firmware?
Firmware updates are typically managed through the Stageman mobile app. Ensure your amplifier is connected via Bluetooth to your smartphone and follow the update prompts within the app.
What is the maximum output power?
The NUX AC-25 delivers 25W of output power.
Can I connect two instruments at once?
Yes, the AC-25 features two independent channels, allowing you to connect an instrument and a microphone, or two instruments if they have compatible output types and you manage the levels carefully.
What type of reverb does it have?
The AC-25 includes a built-in Plate/Hall reverb effect.
Troubleshooting
No sound from the amplifier
Ensure the amplifier is powered on. Check that all cables are securely connected to both the instrument/microphone and the amplifier. Verify that the Volume and Level controls for the active channel are turned up. If using battery power, check the battery charge level.
Humming or buzzing noise
Try a different power outlet to rule out electrical interference. Ensure instrument and microphone cables are of good quality and not damaged. Move the amplifier away from other electronic devices that might cause interference. Check if the instrument or microphone itself is the source of the noise.
Bluetooth connection issues
Make sure the amplifier's Bluetooth is turned on and in pairing mode. Ensure your phone/device is within range and Bluetooth is enabled. Turn off and on Bluetooth on your device and the amplifier. Restart both devices. If persistent, try unpairing and re-pairing the devices.
Reverb effect not working
Ensure the Reverb knob is turned up. Check if the effect is enabled via the app if applicable. Some effects may have specific channel limitations; consult the app or manual.
Pros and Cons
Pros
- Highly portable with rechargeable battery operation.
- Versatile for both acoustic guitar and vocals.
- Intuitive controls for easy sound adjustment.
- Built-in tuner and reverb are practical additions.
- Bluetooth streaming and app integration add value.
Cons
- May lack sufficient power for larger venues.
- 6.5" speaker might not satisfy those seeking extremely deep bass.
- Internal battery life may vary with volume and usage.
- App functionality might be limited for advanced users.
Setup, Compatibility & Care
Setup:
- Connect your acoustic guitar to Channel 1 using a standard instrument cable.
- Connect your microphone to Channel 2 using an XLR or 1/4" cable.
- Power on the amplifier using the mains adapter or the internal battery.
- Adjust the Volume and Level controls for each channel to your desired balance.
- Use the 3-band EQ (Bass, Mid, Treble) to shape the tone of each channel.
- Engage the Reverb effect as needed.
Compatibility:
- Compatible with most active and passive acoustic guitars with standard 1/4" or XLR outputs.
- Compatible with dynamic and condenser microphones (ensure phantom power is not required unless specified by your microphone and app integration).
- Bluetooth connects to any standard Bluetooth-enabled audio device (smartphones, tablets, laptops).
- The Stageman app is available for iOS and Android devices.
Care:
- Clean the exterior with a soft, dry cloth. Avoid abrasive cleaners.
- Keep the speaker grille free from dust and debris.
- Store in a cool, dry place when not in use.
- Periodically charge the battery, even if not in frequent use, to maintain its health.