IRRADIO IR-SIGMA PLUS
IRRADIO IR-SIGMA PLUS Wireless Headphones User Manual
Model: IR-SIGMA PLUS | Brand: IRRADIO
Introducere
Thank you for choosing the IRRADIO IR-SIGMA PLUS Wireless Headphones. This comprehensive set includes wireless + Bluetooth headphones and a wireless receiver, designed to enhance your experience with movies, series, concerts, sports events, and gaming sessions. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.
Ce este în cutie
Upon unpacking your IRRADIO IR-SIGMA PLUS, please ensure all components are present:
- IRRADIO IR-SIGMA PLUS Wireless Headphones
- Receptor wireless
- Cablu de încărcare (USB-C)
- Cablu audio (mufă de 3.5 mm)

Image: The IRRADIO IR-SIGMA PLUS wireless headphones resting on their charging stand, showcasindesignul elegant negru.
Produs terminatview
Caracteristici cheie
- Conectivitate duală: 2.4 GHz wireless for stable, low-latency audio up to 30 meters, and Bluetooth V5.3 for mobile devices.
- Audio captivant: 40mm wide-band speakers with a frequency response of 60Hz–20kHz for powerful and detailed sound.
- Selective Equalization: Three dedicated sound profiles (Film, Music, Spoken) to optimize audio for different content.
- Adjustable Audio Balance: Fine-tune volume balance between left and right channels for personalized listening.
- Shared Listening: Connect multiple compatible IRRADIO headphones to the same source for a shared audio experience.
- Opțiune prin cablu: Use with the included 3.5mm audio jack cable for wired connection.
- Durată lungă de viață a bateriei: Up to 4.5 hours of continuous use, with a quick 1-2 hour charging time via USB-C.
- Compatibilitate versatilă: Analog and digital inputs (Toslink/SPDIF) for seamless connection to TVs, projectors, smartphones, tablets, and laptops.
Componente și comenzi pentru căști
Familiarize yourself with the various parts and controls of your IR-SIGMA PLUS headphones for ease of use.

Imagine: Laterală view of the IRRADIO IR-SIGMA PLUS headphones, showing the earcups and headband design.

Imagine: Spate view of the IRRADIO IR-SIGMA PLUS headphones, highlighting the adjustable headband and earcup pivot points.

Image: The IRRADIO IR-SIGMA PLUS headphones on their stand, with visual callouts for USB Type-C power, 466g net weight, and 2.4GHz & Bluetooth V5.3 wireless connectivity.

Image: A close-up of the IRRADIO IR-SIGMA PLUS headphones, emphasizing the 40mm wide-band speakers and their frequency response of 60Hz-20kHz for powerful and detailed sound.
Înființat
1. Încărcarea inițială
Before first use, fully charge your IRRADIO IR-SIGMA PLUS headphones.
- Conectați cablul de încărcare USB-C furnizat la portul de încărcare al căștilor.
- Conectați celălalt capăt al cablului USB-C la un adaptor de alimentare USB compatibil (nu este inclus) sau la portul USB al unui computer.
- Indicatorul luminos de încărcare se va aprinde. O încărcare completă durează de obicei 1-2 ore.
- După încărcarea completă, indicatorul luminos își poate schimba culoarea sau se poate stinge. Deconectați cablul.

Image: The IRRADIO IR-SIGMA PLUS headphones on their stand, with text indicating integrated Lithium-ion 3.7V battery, wireless transmission distance up to 30m, charging time of 1-2 hours, and a usage duration of 4:30 hours.
2. Conectarea receptorului wireless
The wireless receiver allows for 2.4 GHz low-latency audio transmission from your TV or other audio sources.
- For TVs with Optical (Toslink/SPDIF) Output: Connect the optical cable (not included) from your TV's optical output to the optical input on the wireless receiver.
- For TVs/Devices with Analog (3.5mm or RCA) Output: Connect the 3.5mm audio cable (included) or an RCA to 3.5mm adapter (not included) from your TV's audio output to the 3.5mm input on the wireless receiver.
- Connect the wireless receiver to a power source using its USB power input.
3. Pairing Headphones with Receiver (2.4 GHz Wireless)
The headphones and receiver should automatically pair when both are powered on.
- Power on the wireless receiver.
- Power on the IR-SIGMA PLUS headphones by pressing and holding the power button.
- The indicator lights on both devices will show their connection status. A solid light typically indicates a successful connection.
- If pairing fails, refer to the Troubleshooting section.
4. Bluetooth Pairing (for mobile devices)
To connect your headphones to a smartphone, tablet, or laptop via Bluetooth:
- Ensure the headphones are powered on and not connected to the 2.4 GHz receiver.
- Activate Bluetooth pairing mode on the headphones (refer to the specific button combination in your quick start guide, usually holding the power button longer or a dedicated Bluetooth button). The indicator light will flash, indicating pairing mode.
- On your device, go to Bluetooth settings and search for "IRRADIO IR-SIGMA PLUS".
- Select the headphones to pair. Once connected, the indicator light on the headphones will become solid.
Instrucțiuni de operare
Pornire/Oprire
- Pentru a porni, apăsați și țineți apăsat butonul de alimentare până când se aprinde indicatorul luminos.
- Pentru a opri, apăsați și țineți apăsat butonul de alimentare până când indicatorul luminos se stinge.
Controlul volumului
- Folosiți butoanele de creștere a volumului (+) și de scădere a volumului (-) de pe căști pentru a regla nivelul de ascultare.
- You can also adjust the source device's volume.
Equalization Modes
The IR-SIGMA PLUS offers three distinct equalization profiles. Press the EQ button (if available, or refer to your quick start guide for button assignment) to cycle through them:
- Mod film: Enhances dialogue clarity and cinematic sound effects.
- Modul muzical: Oferă un sunet profesional echilibratfile potrivit pentru diverse genuri muzicale.
- Spoken Mode: Optimizes for clear voice reproduction, ideal for podcasts, audiobooks, or news.
Audio Balance Adjustment
Adjust the balance between the left and right audio channels to suit your hearing preferences. Refer to your quick start guide for the specific controls, typically dedicated L/R balance buttons or a combination with volume controls.
Shared Listening (Multi-User)
To enable shared listening with additional compatible IRRADIO headphones:
- Ensure the primary headphones are connected to the wireless receiver.
- Power on the additional compatible IRRADIO headphones and put them into pairing mode for the 2.4 GHz receiver.
- The receiver will automatically detect and connect to multiple headphones.
- Up to several users can listen simultaneously to the same content.

Image: The IRRADIO IR-SIGMA PLUS headphones on their stand, with text stating "Listen to your favorite music, watch a movie or enjoy a concert at full volume even at night, without disturbing anyone."
Întreţinere
Proper care and maintenance will extend the life of your IRRADIO IR-SIGMA PLUS headphones.
- curatenie: Use a soft, dry cloth to clean the headphones and receiver. Do not use abrasive cleaners, solvents, or harsh chemicals.
- Depozitare: Când nu le utilizați, depozitați căștile într-un loc răcoros și uscat, ferit de lumina directă a soarelui și de temperaturi extreme.
- Îngrijirea bateriei: Pentru a prelungi durata de viață a bateriei, evitați descărcarea completă frecventă a căștilor. Încărcați-le regulat, chiar dacă nu le utilizați pentru perioade lungi de timp.
- Evitați umezeala: Do not expose the headphones or receiver to water or excessive moisture.
- Manipulați cu grijă: Evitați să scăpați căștile sau să le supuneți la impacturi puternice.
Depanare
If you encounter issues with your IRRADIO IR-SIGMA PLUS headphones, refer to the following common problems and solutions:
| Problemă | Cauza posibila | Soluţie |
|---|---|---|
| No sound from headphones (2.4 GHz) |
|
|
| No sound from headphones (Bluetooth) |
|
|
| Calitate audio slabă sau interferențe |
|
|
| Căștile nu se încarcă |
|
|
Specificații
| Caracteristică | Detaliu |
|---|---|
| Marca | IRRADIO |
| Numele modelului | IR-SIGMA PLUS Set Cuffia TV 2,4GHz + BT |
| Numărul de model | 141901050 |
| Culoare | Negru |
| Plasarea urechii | Peste ureche |
| Tehnologia de conectivitate | Fără fir (2.4 GHz, Bluetooth) |
| Versiune Bluetooth | 5.3 |
| Gama Bluetooth | Până la 30 de metri (fără obstacole) |
| Mufă pentru căști | 3.5mm Jack and USB-C |
| Tip de driver audio | Driver dinamic |
| Gama de frecvente | 60Hz–20kHz |
| Tip baterie | Integrated Lithium-ion 3.7V |
| Durata de viață a bateriei (medie) | 4.5 de ore |
| Timp de încărcare | 1-2 ore (prin USB-C) |
| Greutate | 466 g |
| Metoda de control | Buton |
| Dispozitive compatibile | Smartphone, Tabletă, Laptop, Televizoare |
| Utilizări specifice | Video games, Music, Movies & TV, Sports events |
Informații despre garanție
Based on the product information provided, there is no explicit product warranty ("Garanzia prodotto: NO"). Please refer to the retailer's return policy for details on returns or exchanges within the applicable period.
Sprijin
For further assistance or inquiries regarding your IRRADIO IR-SIGMA PLUS headphones, please visit the official IRRADIO brand store or website-ul.
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