HELM AAAMP Mobile Headphone Amplifier, THX AAA Technology, Analog Amplifier, 12 dB Signal Boost, +6 dB Bass Boost, THX Certified, Male 3.5mm to Female 3.5mm Audio
Condition: New
Condition: New
This product is brand new with a full manufacturer warranty Learn more
Warranty: 90 Day Warranty
Warranty: 90 Day Warranty
90 Day Warranty Learn more
Free Shipping on Orders $50+
Free Shipping on Orders $50+
Free shipping with orders over $50.00. 30-day returns. Learn more
HELM DB12 AAAMP Mobile Headphone Amplifier, THX AAA Technology, Analog Amplifier, 12 dB Signal Boost, +6 dB Bass Boost, THX Certified, Male 3.5mm to Female 3.5mm Audio
Description
The world’s smallest in-line amplifier for studio quality amplification anywhere you go. Made in collaboration with THX, this feature-loaded amp takes AAA™ to new heights with a host of additional features, including USB charging, onboard volume controls, a clean 12-decibel gain boost for power-hungry headphones like planar magnetic or high-impedance types, plus an independent 6-decibel bass boost. Game changing sound for watching movies, videos, gaming and yes of course your music. Helm DB12 amplify more than music, there is nothing like itFeatures
- Immersive Audio On The Go - Music, Movies & Gaming. Your Wired Headphones Never Sounded So Good
- Studio Grade Amplifier with Bass Boost Powered by the Award Winning THX® AAA™ Amplifier Technology - Boost the Sound from your Mobile or Gaming Device to Your Headphones
- Game Changing Sound Anywhere You Go! Your Music, Movies, Youtube Videos, Twitch Streams and Gaming
- World's First AAA ™ In-Line Audiophile Quality Headphone Amplifier That Fits In The Palm of Your Hand and a Separate Bass Boost Feature
- Delivers Maximum Volume +12dB with No Distortion, Greatly Improving Sound Quality and an Independently Controlled Bass Boost +6dB
- Plug & Play - No Additional Components or Connections
- Award Winning THX AAA Lowest Distortion Amplifier
Studio Amplification & Bass On Any Headphone On Any Device
Winner of an “Innovation Award at CES 2020,” the HELM Audio DB12 AAAMP takes the power it saves with efficient AAA™ technology and uses it to deliver a rich, “unmasked” stereo field with amazing detail. The groundbreaking DB12 is simple, the plug & play in-line amplifier delivers maximum volume, improved sound quality, and bass enhancement to any headphone on any mobile device.
Powered By Thx’s Achromatic Audio Amplifier
THX’s AAA™ amplifier ensures the ultimate no-compromise headphone audio experience by delivering the world's highest fidelity audio with the world’s lowest distortion amp w/ true linear amplification (Linear means as the volume increases you maintain your pristine sound quality at all levels). **THX Certified
Breathe New Life In To Your Favorite Headphones From Any Mobile Device
More than enough power to make your headphones scream from your favorite mobile device. Studio sound anywhere you go with an unmatched portable 12 dB of flawless linear volume gain and independently controlled 6 dB of massive bass boost, your headphones have never sounded so good.
Specifications
| Brand | HELM Audio |
| Feature | THX Certified |
| Amplifier | THX’s AAA™ amplifier |
| Material | Aluminum |
| Input | Stereo TRRS 3.5 mm male connector |
| Output | Stereo TRRS 3.5 mm female connector |
| Frequency response | +0.01 / -0.2 dB 20 Hz – 20 kHz with 32 ohm load |
| Output impedance | <0.4 ohms |
| Output power | 109 mW at 16 ohms with <0.1% THD (watts per channel,) 111 mW at 32 ohms with <0.1% THD (watts per channel) |
| Output impedance | < 0.4 ohms |
| THD | -102 dB, 16 ohms, 10 mW: 0.0008% |
| THD | -102 dB, 32 ohms, 5 mW: 0.0008% |
| THD | -109 dB, 10 Kohms, 0.049 mW: 0.00035% |
| IMD | -70 dB, SMPTE 70 Hz + 70 kHz, 16 ohms: 0.03% |
| IMD | -80 dB, SMPTE 70 Hz + 70 kHz, 32 ohms: 0.01% |
| IMD | -80 dB, SMPTE 70 Hz + 70 kHz, 10K ohms: 0.01% |
| Crosstalk | – 91 dB, 10K ohms: 0.0028184 % |
| Noise (A-wt) | 10 uV, potentiometer at nil |
| SNR | 114 dB, 300 ohms, <1% THD |
| Gain | +12 dB (full range), +12 dB and +6 dB on 60–100 Hz frequencies (Bass Boost) |
| Power supply | Internal USB rechargeable battery |
| Battery life | 6+ hours in use |
| Weight | 1.08 oz (30.55 g) |
| Product Dimensions | 2.75 x 0.57 x 0.88 inches |
| Item Weight | 1.1 ounces |
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What does "certified refurbished" actually mean?
What does "certified refurbished" actually mean?
A refurbished product is one that was returned and then restored to as close to like-new as possible—including replacement parts and updated software where needed. Every refurbished product we sell is certified, meaning it's been restored by the manufacturer or an authorized partner and tested to original standards. Want the full breakdown? Read Refurbished, Renewed, Used… What's the Difference?
Are all refurbished items in equally good condition?
Are all refurbished items in equally good condition?
Yes. Every refurbished refurbished product is cleaned and tested to come as close to like-new as possible. We also carry new condition products which are unopened and brand new!
Do your products come with a warranty?
Do your products come with a warranty?
They do. Every refurbished product is backed by our 12-Month Refurb Warranty, and many new products carry longer coverage—1–2 years, and in some cases a Lifetime Warranty. Need specifics on your item? Contact us and we'll help.
Do you accept returns?
Do you accept returns?
You can return most items within 30 days of delivery for a full refund. Items may be opened and inspected and still qualify, as long as they're returned in the same condition you received them and include all original accessories.
Do I have to pay for return shipping?
If the return is due to our error—such as an incorrect or defective item—we cover the return shipping cost.
When will I get my refund?
Refunds are typically issued within 5–14 business days after we receive your returned item.






