XG798-DWHC
Super Power BTE
The XG798-DWHC is a Super Power BTE hearing aid in the Danavox Astro Pro SP family, at the Advanced technology level, processing sound in 14 channels, powered by a Rechargeable battery.
The official Danavox portfolio lists receiver options Metal hook, Plastic hook for this style, with a maximum output/gain of up to 140/79 (dB SPL / dB) with the Plastic hook receiver.
Its official datasheet lists 25 features, including All Access Directionality, Front Focus, Spatial Sense, with an IP68 rating and direct audio streaming. The full list is in the specifications below.
Unlock a universe of powerful sound with our rechargeable Super Power hearing aids.
- Super Power BTE
- Rechargeable
- Advanced
- Metal hook (default) & plastic hook (optional)
- Rechargeable with all-day battery
- Bluetooth Low Energy (LE) Audio, Auracast & Telecoil
Discover the Astro Pro SP family
About the Astro Pro SP family as a whole - features and options differ by model; this model's own data is in its specifications.
- 01
The tiniest rechargeable Super Power yet
- 02
Best-in-class feedback suppression
- 03
Connect to Bluetooth® LE Audio & Auracast™
An astronomical difference
Danavox Astro™ SP Super Power hearing aids are created for severe to profound hearing loss to make an astronomical difference in all dimensions of your life.
The Super Power solution is available in Danavox Astro Pro and Danavox Astro Core families.
01
Super hearing in noise
Danavox Astro SP is a superstar solution with powerful sound, built on the successful foundation of our previous Super Power generation. Enjoy full environmental awareness while hearing speech clearly, without distractions, thanks to our powerful new features.
Industry-leading Clear Focus
This feature highlights speech in noisy environments – delivering a 2.7 dB SNR improvement over legacy and an 8.3 dB SNR improvement compared to Omni.
Strong preference for 360 All-Around
Gives greater access to surrounding sounds – which results in a very strong preference for listening with this feature over legacy for Super Power hearing aid users.
02
Best-in-class feedback suppression
With proven elimination of feedback, Danavox Astro SP ensures optimal performance without compromising on gain to elevate moments that are important to you, such as conversations with loved ones.
More relief from feedback
Ensures optimal performance without compromising on amplification.
Best feedback management
Up to 6db more added stable gain compared to other leading Super Power solutions.
Smooth out the waves
Two feedback cancellers work together to manage fixed physical/acoustic factors and adapt and react to daily changes.
Specifications
- Brand
- DANAVOX
- Model
- XG798-DWHC
- Family
- Astro Pro SP
- Part number
- 23773573
- Technology
- Advanced
- Hearing aid type
- Super Power BTE
- Channels
- 14
- Level
- Premium
- Battery type
- Rechargeable
Astro Pro SP
Unlock a universe of powerful sound
Source: Client asset package: ASTRO SP VIDEO FINAL.mp4
Official specifications
Every feature and specification the manufacturer lists for this model - from its datasheet where one exists, and from the official Danavox portfolio.
Datasheet (PDF)Style
Super Power 98-DWHC (metal hook / plastic hook), rechargeable
Battery
Rechargeable
Features
- All-day battery on one charge*
- IP68 rated
- TapControl
- Programmable push button and toggle
- Telecoil
- Exchangeable mic filters
- Optional plastic hook configurable in FSW
Max output / gain (dB SPL / dB)
- Metal hook
- 140/84
- Plastic hook
- 140/79
* All-day battery on one charge is based on 28 hours of use - and 20 hours when streaming 50% of the time.
Source: Danavox portfolio M102987GPS-25.08-Rev.C (GN Hearing), p. 6
Device Configurations
- Battery size 98-DWHC
- Rechargeable Lithium-Ion
- Control Options
- TapControl, Push button, Multi-Function button, Telecoil
- IP Classification
- IP68
Audiological Features
- Channels
- 14
- 360 All-Around
- Not on this model
- All Access Directionality
- Included
- Binaural Directionality III
- Not on this model
- Clear Focus
- Not on this model
- Front Focus
- Included
- Ultra Focus
- Not on this model
- Spatial Sense
- Included
- Autoscope Adaptive Directionality (w/Adjustable Directional Mix)
- Included
- Synchronised Soft Switching
- Included
- Streaming Bass Boost
- 3 Settings
- Fixed Directionality
- Included
- Environmental Optimizer II
- Not on this model
- Environmental Optimizer I
- Included
- Noise Tracker II
- 4 Settings
- Wind Guard
- 3 Settings
- Impulse Noise Reduction
- 3 Settings
- Expansion
- 3 Settings
- Sound Shaper
- Included
- DFS Ultra III (w/Music Mode)
- Included
- Synchronised Acceptance Manager
- Included
- Low frequency Boost
- Included
- Amplification Strategy (WDRC/Semi-Linear/Linear)
- Included
- Tinnitus Sound Generator
- Included
Functional Features
- Ear-to-Ear Communication
- Included
- MultiConnect
- Included
- Bluetooth® Auracast™
- Included
- Direct audio streaming (compatible iOS*** and Android™ devices)
- Included
- TV-Streamer+, Multi-Mic+ and Remote Control
- Included
- BeMore app
- Included
- Sound Enhancer (BeMore app)
- Not on this model
Online Services
- Remote Fine Tuning
- Included
- Live Assist
- Included
- Remote Firmware Updates
- Included
Fitting Features
- Fitting Software XE BeMore 2.2 or higher
- Included
- Fully Flexible Programs
- 4
- Datalogging
- Included
- Wireless fitting with Noahlink Wireless
- Included
Technical specifications
| Plastic hook · 2cc coupler | Metal hook · 2cc coupler | ||
|---|---|---|---|
| Reference test gain (60 dB SPL input)HFA | 54 | 54 | dB |
| Full-on gain (50 dB SPL input)Max. | 79 | 84 | dB |
| Full-on gain (50 dB SPL input)HFA | 67 | 69 | dB |
| Maximum output (90 dB SPL input)Max. | 140 | 140 | dB SPL |
| Maximum output (90 dB SPL input)HFA | 131 | 131 | dB SPL |
| Total harmonic distortion500 Hz | 4.8 | 6.8 | % |
| Total harmonic distortion800 Hz | 0.7 | 1.0 | % |
| Total harmonic distortion1600 Hz | 0.4 | 0.4 | % |
| Full-on SPLIV @ 10 mA/mMax. | 127 | 132 | dB SPL |
| HFA-SPLIV @ 31.6 mA/mHFA | 113 | 114 | dB SPL |
| Full-on HFA-SPLIV @ 10 mA/mHFA | 116 | 118 | dB SPL |
| Equivalent input noise, w/o noise reduction | 24 | 26 | dB SPL |
| 1/3 octave equivalent input noise, w/o noise reduction1600 Hz | 7 | 7 | dB SPL |
| Frequency range | <200 - 5330 | <200 - 5250 | Hz |
| Battery lifetime, rechargeable (maximum) | 28 (max) | 28 (max) | Hours |
| Battery lifetime, rechargeable (typical) | 24 (typical) | 24 (typical) | Hours |
- * Expected operating time of the rechargeable battery depends on active features, the use of wireless accessories, hearing loss, battery age and sound environment.
- ** Optional: Plastic hook version of XG98-DWHC models are configurated in fitting software with the plastic hook accessory.
Source: Danavox Astro PRO SP XG datasheet 403150000GB-25.06-Rev.A (client asset package)
Accessories
Danavox Desktop Charger
This plug-and-play charger gives all the needed power in a simple, elegant design that easily integrates into daily routines.
TV-Streamer+
Speech clarity at preferred volume. Sleek lightweight design. Made for Auracast.
Multi-Mic+
World's first remote mic with Auracast. Exceptional speech understanding in noise, extends hearing range by up to 80 feet.
Interested in XG798-DWHC?
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*Hands-free calls are compatible with iPhone 11 or later, iPad Pro 12.9-inch (5th generation), iPad Pro 11-inch (3rd generation), iPad Air (4th generation), iPad mini (6th generation), iPad (10th generation) or later, with software updates iOS 15.3 and iPadOS 15.3 or later. Bluetooth LE Audio works with Danavox Astro SP and compatible mobile devices with Bluetooth 5.3 or later.
References: Groth et al. (2023) · Jespersen & Skovlund (2025) · Cui & Groth (2025) · GN Proprietary data on file (2025) · Compared to leading rechargeable Super Power solutions. GN Proprietary data on file (2025) · Bluetooth SIG · Jespersen & Rubachandran (2025)
Manufacturer information: GN Hearing / Danavox