Resound Vivia 9 vs. Signia Pure Charge&Go IX 7

Picture this: two heavyweights of the hearing aid world step into the ring. One wears sleek Scandinavian design and a brain-like chip. The other brings German engineering with a built-in AI assistant. No, this isn’t the plot of a futuristic buddy movie. It’s the real showdown: ReSound Vivia 9 vs. Signia Pure Charge&Go IX 7.

For seasoned hearing aid wearers, this battle matters. You’ve been through feedback squeals, weak batteries, and clunky designs. Now you want something that can finally keep up with your brain. At Injoy Hearing, you’ll find these same hearing aids for thousands less, backed by licensed providers and remote programming. But first, let’s compare the details — and laugh a little while we’re at it.

AI Smackdown: Who Wears the Crown?

Both models lean heavily on AI, but their approaches differ.

ReSound Vivia 9 uses a Deep Neural Network trained on 13.5 million sentences. This chip processes sound up to 17 times more efficiently than its predecessor. Add Intelligent Focus, and you get speech clarity that shifts based on where you look. It feels less like wearing hearing aids and more like your brain just got a software upgrade.

Signia Pure Charge&Go IX 7 introduces a multi-stream architecture. This setup can track multiple speakers at once, even when they move. Think family dinners, board meetings, or chaotic birthday parties. Plus, the Signia Assistant learns your preferences using cloud-based AI. It’s like having a personal hearing coach in your pocket.

AI Comparison Chart

Feature	ReSound Vivia 9	Signia Pure Charge&Go IX 7
AI Engine	DNN trained on 13.5M sentences	Signia Assistant, multi-stream AI
Processing Efficiency	17x more efficient sound processing	Dynamic Soundscape Processing 3.0
Focus Feature	Intelligent Focus (direction-based)	Conversation Dynamics Analyzer
Adaptation	Adjusts to user direction and noise	Tracks multiple speakers in real time

Quick Verdict: Vivia is like Einstein in your ear. Signia is like a multitasking personal assistant. Which crown fits depends on whether you want sharper focus or social flexibility.

Sound Quality & Noise Control – Quiet, Please!

Sound quality isn’t just about hearing something — it’s about hearing the right thing. If your grandchild whispers about stealing a cookie while the dog barks, you don’t want the bark amplified at Dolby Surround levels. Both ReSound Vivia 9 and Signia Pure Charge&Go IX 7 tackle noise, but they use very different tricks.

ReSound Vivia 9:

ReSound leans on brute-force AI power to separate voices from the background clutter. Its Deep Neural Network (DNN) has been trained on 13.5 million sentences in real-world conditions. That means it doesn’t just recognize “speech” — it knows how people actually talk, from hurried mumbling to booming laughter.

The Clear Focus 4-Mic Beamformer works like a camera zoom, narrowing in on the voice you’re looking toward. Combine that with Intelligent Focus, which detects the direction of your attention, and suddenly conversations feel more natural.

Then there are the comfort tools:

• NoiseTracker II reduces steady annoyances like AC hum or highway droning without touching speech. 
• Impulse Noise Reduction instantly softens sharp bangs, clinks, or dishes clattering. 
• Wind Guard detects turbulence at the microphones and suppresses it, making park strolls less of a static nightmare. 

Real-life impact? At a busy café, you’ll hear your friend across the table instead of the barista frothing milk. In church, sermons rise above coughing and shuffling without distortion. Outdoors, you’ll catch the punchline without the wind storming your ears.

Signia Pure Charge&Go IX 7:

Signia takes a more architectural approach. Its multi-stream architecture doesn’t just pick one voice — it can track multiple speakers at the same time. That means if you’re in a roundtable meeting or at a birthday dinner, you won’t miss the conversation bouncing from one side to the other.

Key features include:

• Auto EchoShield: Smooths out reverberation in spaces like kitchens, gyms, or auditoriums. Those echoes that usually sound like you’re trapped in a tunnel? Gone. 
• Own Voice Processing (OVP) 2.0: Recognizes your voice instantly and prevents it from being over-amplified. That means no “I sound like a robot” complaints. 
• Spatial SpeechFocus: Directs hearing toward the most relevant voice, even from unusual angles. 
• Dynamic Soundscape Processing 3.0: Adjusts sound balance dynamically, making voices clearer in chaotic settings. 

In real life, that means you can follow three grandkids talking at once, even as one runs behind you and another yells across the table. Signia keeps the mix clear without leaving you spinning your head like an owl.

Noise Control Chart

Feature	ReSound Vivia 9	Signia Pure Charge&Go IX 7
AI Noise Training	13.5M sentences	Multi-stream real-time tracking
Directionality	Intelligent Focus, Beamformer	Spatial SpeechFocus
Echo Handling	Environmental Optimizer II	Auto EchoShield
Impulse Control	Yes	Impulse Noise Reduction
Wind Handling	Wind Guard	eWindScreen binaural
Voice Comfort	Natural via DNN	Own Voice Processing 2.0

Quick Verdict:
Vivia gives laser-like focus and crystal voices in noisy environments. Signia provides an orchestra conductor’s control in group chaos. Which you prefer depends on whether you’re usually one-on-one or managing a lively crowd.

 

Juice Wars

The eternal question: how long before you hear the dreaded “battery low” chime?

ReSound Vivia 9: Up to 30 hours per charge (20 with Intelligent Focus + streaming). A quick 10-minute charge gives 2.5 hours of use. Great for the “oops, I forgot to plug it in” mornings.

Signia IX 7: Up to 36 hours of power, including 5 hours of streaming. That’s long enough for two days of wear if you nap strategically.

Battery Comparison Chart

Feature	ReSound Vivia 9	Signia Pure Charge&Go IX 7
Battery Type	Rechargeable Lithium-ion	Rechargeable Lithium-ion
Max Runtime	30 hours	36 hours
Streaming Runtime	20 hours with streaming	5 hours streaming included
Quick Charge	10 minutes = 2.5 hours	Not advertised

Quick Verdict: Marathoners, meet Signia. Sprinters and chronic forgetters, Vivia’s quick charge has your back.

Connectivity – Who Talks to More Gadgets?

Modern hearing aids aren’t just sound boosters. They’re mini smartphones, entertainment hubs, and communication devices strapped to your ears. Connectivity can make or break your daily experience — especially if you juggle multiple devices.

ReSound Vivia 9:

Vivia isn’t just keeping up with technology; it’s already living in the future. It’s the first hearing aid with full Auracast activation. What’s Auracast? Think of it like public Wi-Fi, but for audio. Soon, airports, theaters, and lecture halls will beam audio directly to your hearing aids. With Vivia, you’re already ready.

It uses Bluetooth LE Audio 5.2, which means:

• Lower battery drain during streaming. 
• Higher audio quality than Bluetooth Classic. 
• Simultaneous streaming to multiple devices. 

Vivia also gives you hands-free calling with iPhones and streaming support for ASHA-compatible Android phones. With the ReSound Smart 3D app, you can adjust sound profiles, track your aids if you misplace them, and even manage Auracast streams with one tap.

Practical scenarios:

• At an airport, you could tune directly into boarding announcements. 
• At church, you could connect to a live audio broadcast without clunky loop systems. 
• At home, you can stream TV and music with clearer quality and lower latency. 

Signia Pure Charge&Go IX 7:

Signia plays it a little safer, but not without perks. It uses Bluetooth Classic, the old reliable. Why does that matter? It works with nearly everything: iPhones, Androids, laptops, tablets, smart TVs, and even older devices. If it has Bluetooth, chances are Signia will connect.

Other highlights:

• LE Audio-ready, so it’s future-proof once more public spaces adopt it. 
• Hands-free iPhone calling, perfect for chatting on the go. 
• StreamLine TV and StreamLine Mic accessories make pairing with home entertainment and calls easier. 
• The Signia app with Signia Assistant doubles as a remote control and AI coach, letting you tweak settings instantly. 

Practical scenarios:

• Easily pair with a TV at home, no complex setup. 
• Switch between work calls on your laptop and music on your phone without breaking a sweat. 
• With the app, adjust your aids in real time at restaurants or meetings, no trip to the clinic required. 

Connectivity Chart

Feature	ReSound Vivia 9	Signia Pure Charge&Go IX 7
Bluetooth Standard	LE Audio 5.2	Bluetooth Classic (LE-ready)
Auracast	Fully activated	Not yet, but coming
iPhone Calling	Hands-free	Hands-free
Android Streaming	Yes (ASHA-supported)	Yes (ASHA-supported)
Streaming Accessories	TV Streamer+, Multi Mic	StreamLine TV, StreamLine Mic
App Features	Smart 3D app, Auracast Assistant	Signia app, Signia Assistant

Quick Verdict:
ReSound Vivia is the early adopter’s dream — if you want cutting-edge Auracast and low-energy Bluetooth, it’s unbeatable. Signia IX 7 is the universal adapter, connecting with practically anything today while waiting for the future to catch up.

Design & Comfort – Who’s the Supermodel?

Aids that hurt your ears won’t win long-term fans. Comfort is non-negotiable.

ReSound Vivia 9:

• World’s smallest AI-powered microRIE. 
• Comes in 10 color options. 
• IP68 rated for water and dust resistance. 
• Comfortable for glasses and masks. 

Signia IX 7:

• Slim receiver-in-canal design. 
• IP68 rating as well. 
• Multiple charger styles (portable, Dry&Clean, desktop). 
• Discreet, modern look. 

Design & Comfort Chart

Feature	ReSound Vivia 9	Signia Pure Charge&Go IX 7
Size	Smallest microRIE	Slim RIC
Color Options	10	12+
Water/Dust Protection	IP68	IP68
Controls	Tap + push button	Button + rocker
Comfort with Glasses	High	High

Quick Verdict: Want the tiniest? Pick Vivia. Want charger flexibility? Pick Signia. Both earn beauty points.

Accessory Playground – Gadgets Galore

Hearing aids aren’t just about the aids themselves. Accessories extend usability.

ReSound Vivia 9 Accessories:

• TV Streamer+: Direct TV audio with enhanced clarity. 
• Multi Mic: For group conversations or long distances. 
• Unite Phone Clip+: For Bluetooth streaming. 
• ReSound Smart 3D app: Full control, Find My Hearing Aids, and fine-tuning. 

Signia IX 7 Accessories:

• StreamLine TV and StreamLine Mic: Seamless connections for entertainment and calls. 
• Dry&Clean Charger: Sanitizes with UV light while charging. 
• Portable Charger: Three charges on the go. 
• Signia App with Signia Assistant: AI-backed adjustments. 

Accessories Chart

Category	ReSound Vivia 9	Signia IX 7
TV Streaming	TV Streamer+	StreamLine TV
Remote Mic	Multi Mic	StreamLine Mic
Chargers	Premium + desktop	Portable, Dry&Clean, Multi
Apps	Smart 3D app	Signia App + Assistant
Remote Adjustments	Yes	Yes

Quick Verdict: ReSound accessories focus on simplicity. Signia accessories feel like the Bond gadget drawer.

Value & Cost – The Real Wallet Tug

Both models pack advanced features, but hearing aids cost often makes the decision. Many clinics price these premium models in the $5,000–$7,000 range per pair.

At Injoy, you get the same hearing aids, thousands less with remote programming and licensed provider support. If you’re curious about why prices soar at clinics, see our breakdown on Hearing Aids Cost.

Quick Verdict: Price doesn’t equal performance. Both deliver, but Injoy keeps more cash in your pocket.

Other Comparisons & Research

This isn’t the first rodeo for the Vivia. See how it stacks against Starkey in ReSound Vivia vs Starkey Edge AI.

Scientific research also highlights how advanced hearing aids improve speech perception and reduce listening effort. For seasoned wearers, that means less brain drain in noisy environments.

The Big Picture: Master Comparison Chart

Category	ReSound Vivia 9	Signia Pure Charge&Go IX 7
AI	DNN, Intelligent Focus	Multi-stream AI, Signia Assistant
Sound	Beamforming + DNN noise reduction	Auto EchoShield + OVP 2.0
Battery	30 hrs, quick charge	36 hrs, long runtime
Connectivity	LE Audio 5.2, Auracast	Bluetooth Classic, LE-ready
Design	Smallest microRIE, 10 colors	Slim RIC, 12+ colors
Comfort	Glasses/mask friendly	Discreet with flexible controls
Accessories	TV Streamer+, Multi Mic	Dry&Clean, StreamLine Mic/TV
Cost	Thousands less at Injoy	Thousands less at Injoy

Final Verdict – Time to Pick Your Champion

So, which wins?

• Pick ReSound Vivia 9 if you crave brain-like AI, future-ready Auracast, and a tiny design. 
• Pick Signia IX 7 if you want multi-speaker tracking, gadget options, and marathon battery life. 

Either way, you’re stepping into a future where conversations feel natural again and gadgets stay connected.

You can buy directly:

• ReSound Vivia 9 
• Signia Pure Charge&Go BCT 7IX 

And if you’d rather talk it through, connect with Injoy Hearing. Same hearing aids, thousands less. Personalized care, remote support, and a 45-day trial.