Insio C&G 2AX Review (2026): Price in India, Features, Pros & Cons

The Insio C&G 2AX is a custom-made instrument, which means no two units are identical. After HearClear's audiologist takes a silicone ear impression, Signia's manufacturing laboratory fabricates a shell that conforms precisely to the geometry of your ear canal and concha. The result is a hearing aid that sits flush within the ear, largely hidden from side-on or front-on view — a significant aesthetic advantage over behind-the-ear and receiver-in-canal designs.

Because the shell is moulded to your ear, there is no dome or fin that can shift during physical activity. Users report that the Insio stays in place during walking, light exercise and extended telephone use — something generic-fit ITE aids often fail to achieve. The face plate, which is the only visible portion when the aid is seated, carries the charging contacts and a single programme button. Skin-tone colour matching during the impression appointment helps the device blend with the pinna.

The trade-off inherent to any custom ITC is that the microphone aperture sits close to the canal entrance rather than at ear level behind the pinna. This changes the natural pinna effect slightly. Signia's OVP (Own Voice Processing) compensates for the most common complaint of custom aids — the hollow or booming quality of the wearer's own voice — by processing the wearer's voice in a dedicated pathway. First-time custom ITC users should allow a week or two of acclimatisation before judging final comfort and sound quality.

The Insio C&G 2AX runs on Signia's Augmented Xperience (AX) chip platform, the same core processor found in the Pure C&G 2AX RIC model at this tier. The defining feature of AX is its dual-processing architecture: the processor runs a dedicated speech-focused beam and a separate environment-focused processing stream in parallel, then blends the outputs in a scene-adaptive ratio. In practice, this means the aid does not simply suppress noise — it actively prioritises intelligibility while preserving spatial awareness and natural sound character.

At the level-2 tier (the '2' in 2AX), users get approximately 20 processing channels, automatic programme switching across a range of acoustic environments — quiet conversation, restaurant noise, outdoor wind, music, and television — and Signia's Acoustic-Motion Sensors that respond to head movement and body activity. The system classifies the listening environment several times per second and adjusts gain, directionality and noise reduction accordingly without requiring manual programme changes.

Own Voice Processing deserves specific mention for ITC users: because the microphone is near the canal, occluded-ear resonance can make the wearer's own voice sound unnatural. Signia's OVP runs a separate neural-network model trained on own-voice signals, attenuating the characteristics that cause this complaint. While it does not eliminate occlusion entirely (that depends on the vent diameter chosen at fitting), most users find the result significantly more natural than older custom aid designs. Tinnitus Notch Therapy — which creates a gentle notch in the gain curve around the tinnitus frequency — is also available and configurable by the fitting audiologist.

The Insio C&G 2AX uses Signia's SWORD (Spatial Wireless Optimised Reception Directionality) Bluetooth chip, which operates at 2.4 GHz and connects directly to both iOS (iPhone 6 and later) and Android (8.0 and above with Bluetooth 4.2+) smartphones without a streaming intermediary device. Audio from music apps, video calls, podcasts and navigation instructions streams in binaural stereo directly into the canal — a meaningful advantage of in-ear placement, as the audio source is already at the eardrum.

The Signia App (available free on App Store and Google Play) provides volume control, programme selection, a tinnitus therapy manager, and a hearing journal feature. Remote Fine Tuning — where the audiologist at HearClear can push new fitting adjustments to the aids over the internet — is supported, reducing the need for in-clinic visits for minor tweaks after the initial fitting period.

Because the ITC form factor does not provide space for a second upward-facing microphone, the hands-free microphone functionality available in some RIC models is not supported in this configuration. The device streams audio in from the phone, but the phone's own microphone handles the return voice signal in calls. This is worth understanding before purchase if hands-free calling is a primary use case. A Signia TV Streamer accessory is compatible for television audio streaming directly from the television's audio output.

The central innovation of the Insio Charge&Go line is placing a rechargeable lithium-ion cell inside a custom ITC shell — a feat that required miniaturisation of both the battery and the charging contacts. The aid is placed into a compact charging case each night; a full charge takes approximately 3.5–4 hours and delivers an estimated 16–20 hours of use, which covers the typical 16-hour waking day for most Indian users.

Streaming audio via Bluetooth does consume additional current. Users who stream music or television audio for extended periods (4+ hours daily) may find battery life settling closer to 14–16 hours. The charging case itself does not contain an additional battery pack (unlike some premium RIC chargers that offer on-the-go top-up), so users should establish a nightly charging routine rather than relying on opportunistic top-ups.

The lithium-ion cell is not field-replaceable — it is sealed within the custom shell. This is standard practice for rechargeable custom ITC instruments and is a deliberate size constraint. Signia's published cycle life for the cell is several hundred full charge cycles before capacity degrades noticeably, typically aligning with the standard service interval. HearClear's 3-year warranty covers manufacturing defects including battery performance within specified thresholds, so buyers should retain their warranty documentation. For users who travel frequently or face irregular charging access, Signia offers compatible portable charging accessories that are worth discussing at the HearClear clinic during fitting.

The Signia Insio C&G 2AX is priced at ₹99,990 per pair at HearClear India — this is both the MRP and HearClear's selling price. For a custom rechargeable ITC on the AX platform, this positions it competitively relative to comparable offerings from Phonak, Oticon and ReSound at similar technology tiers. It is worth noting that this price includes the custom shell fabrication, which adds laboratory cost not present in standard-fit RIC devices.

HearClear offers no-cost EMI options through major credit cards and EMI providers, making the ₹99,990 price accessible at approximately ₹8,333 per month over 12 months or ₹5,556 over 18 months (exact terms subject to card issuer and applicable offers at the time of purchase — confirm with your nearest HearClear clinic). A free comprehensive hearing test is included for all prospective buyers at any of HearClear's 40+ clinics across India — this is the necessary first step before an ear impression is taken.

What is included with purchase: the pair of custom Insio C&G 2AX instruments, a charging case and power adapter, a cleaning tool and drying capsule, documentation and warranty card, and an initial fitting session with a licensed audiologist. The 3-year warranty covers manufacturing defects and, depending on the selected plan, loss and damage. One follow-up fine-tuning visit within the first month is standard practice at HearClear to optimise the fitting after acclimatisation.

Buy the Insio C&G 2AX if: You have a confirmed mild-to-moderately-severe hearing loss (established via audiogram — book a free test at HearClear if you haven't had one recently) and your primary motivation for a hearing aid is cosmetic discretion. If you have struggled with disposable batteries — arthritis, fine motor difficulty, forgetfulness — the rechargeable cell in the Insio C&G removes that burden entirely. It also suits people who spend considerable time on phone calls or streaming audio, since the in-ear Bluetooth delivery is direct and clear.

Consider alternatives if: Your hearing loss is severe or profound — the ITC form factor physically limits the size of receiver and vent that can be accommodated, and a more powerful BTE or RIC instrument (such as the Signia Motion C&G or a high-power Pure) will deliver better audibility. If hands-free calling with the microphone on the hearing aid itself is essential (for example, for professional use without handling the phone), a RIC model with a built-in microphone array is more suitable. Users with very narrow or irregular ear canals should discuss with the audiologist whether an ITC shell can be fabricated to fit safely.

Users who are trialling hearing aids for the first time and are uncertain about the style should consider that HearClear's 3-day risk-free trial period applies — though for a custom ITC, the trial is typically a loaner standard-fit instrument of similar specification, as the custom shell itself cannot be returned once fabricated. Clarify the trial and return policy in detail with HearClear before committing to the impression appointment.

Purchasing a custom hearing aid from HearClear involves a structured process that differs from buying a standard RIC or BTE model off the shelf. The journey begins with a free comprehensive hearing test at one of HearClear's 40+ clinic locations, conducted by a licensed audiologist. The audiogram results determine candidacy for the ITC form factor and the appropriate power level. If the Insio C&G 2AX is recommended, a silicone ear impression of both canals is taken at the same appointment.

The impression is dispatched to Signia's manufacturing facility, and the custom shells are returned — typically within two to three weeks — fitted with the AX processor and programmed to the audiogram. The dispensing audiologist then performs a real-ear measurement (REM) verification session to confirm the fitting matches prescriptive targets, adjusts the Signia software parameters, and guides the user through inserting, removing and charging the instruments. A follow-up appointment within three to four weeks is standard practice to address any comfort, occlusion or sound quality concerns after acclimatisation.

The 3-year warranty included with every HearClear purchase covers manufacturing defects in the instrument and battery performance. Repair turnaround for custom shells typically requires the instrument to be sent to the service laboratory; HearClear provides a courtesy loaner instrument at most clinic locations during the repair period — confirm availability at your local branch. Remote Fine Tuning via the Signia App means that many programme adjustments can be handled without a clinic visit, reducing disruption. For ongoing annual servicing, deep cleaning and receiver checks, HearClear's aftercare programme ensures the investment continues to perform over its lifespan.