1. Introduzione
Grazie per l'acquistoasing the EDIFIER R2750DB MKII Active Bookshelf Speakers. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and longevity of your speakers. Please read this manual thoroughly before use and retain it for future reference.
The EDIFIER R2750DB MKII is a high-performance 3-way, 4-amplifier active speaker system designed for superior audio reproduction. It features advanced connectivity options including HDMI eARC, Bluetooth 6.0 with LDAC, optical, coaxial, and RCA inputs, along with a dedicated subwoofer output. Control is facilitated via an infrared remote and the EDIFIER ConneX mobile application, offering extensive sound customization.
2. Contenuto della confezione
Disimballare con attenzione la scatola e assicurarsi che siano inclusi tutti i seguenti articoli:
- R2750DB MKII Main Unit (2 speakers, 1 pair)
- Speaker Dust Covers ×2 (pre-installed, removable)
- Power Cord (1.8m) ×1
- Speaker Connection Cable (5m) ×1
- Optical Digital Cable (1.5m) ×1
- 3.5mm-RCA Audio Cable (2.5m) ×1
- 3.5mm-RCA Conversion Adapter (0.1m) ×1
- Telecomando ×1
- AAA Batteries (for remote control) ×2
- Guida rapida ×1
- Safety Precautions ×1

Image: All included accessories for the R2750DB MKII speakers.
3. Impostazione
3.1 Posizionamento degli altoparlanti
For optimal sound performance, place the speakers on a stable, flat surface, such as a bookshelf or dedicated speaker stands. Ensure there is adequate space around the speakers for proper ventilation. Position the speakers at an equal distance from your listening position, forming an equilateral triangle for the best stereo imaging. The recommended dimensions per speaker are approximately 27.9 cm (Depth) x 22.3 cm (Width) x 39.5 cm (Height).

Image: Speaker dimensions (Depth 27.9cm, Width 22.3cm, Height 39.5cm).
3.2 Collegamento degli altoparlanti
- Main Speaker to Passive Speaker: Connect the main (right) speaker to the passive (left) speaker using the provided 5m speaker connection cable. Ensure the correct polarity (+ to + and - to -) for optimal sound.
- Collegamento elettrico: Connect the power cord to the main speaker and then plug it into a wall outlet.
3.3 Connessioni di ingresso audio
The R2750DB MKII offers multiple input options. Choose the appropriate connection method for your audio source:
- eARC HDMI: For connecting to TVs, PCs, or game consoles that support HDMI eARC. Use a high-quality HDMI 2.1 cable. This connection supports advanced audio formats like Dolby Atmos and DTS:X, and simplifies wiring by transmitting audio, video, and control signals simultaneously.
- Ingresso ottico: Connect to devices with an optical digital output (e.g., TV, game console) using the provided optical cable.
- Ingresso coassiale: Collegare ai dispositivi dotati di uscita digitale coassiale.
- Ingresso linea RCA: Connect to devices with RCA audio outputs (e.g., DVD player, MP3 player, PC) using the 3.5mm-RCA audio cable or adapter.
- Bluetooth: For wireless connection to smartphones, tablets, laptops, or game consoles. Refer to section 4.5 for Bluetooth pairing instructions.
- USCITA SUB: To enhance bass, connect an external active subwoofer (e.g., Edifier T5s) to the SUB OUT port on the main speaker.

Image: Audio connection diagram for various devices.

Image: HDMI eARC connection to a TV.
4. Funzionamento
4.1 Accensione/spegnimento
Locate the power switch on the rear panel of the main speaker. Flip the switch to the 'ON' position to power on the speakers. Flip to 'OFF' to power off.
4.2 Selezione dell'ingresso
You can select the audio input source using the 'VOLUME/SOURCE' knob on the rear panel of the main speaker, the remote control, or the EDIFIER ConneX app.
- Pannello posteriore: Rotate the 'VOLUME/SOURCE' knob to adjust volume. Press the knob to cycle through input sources (Line In, Optical, Coaxial, HDMI, Bluetooth).
- Telecomando: Use the dedicated input buttons (e.g., HDMI, OPT, COAX, LINE IN, Bluetooth) to switch sources directly.
- Applicazione EDIFIER ConneX: Select the desired input source from the app interface.
4.3 Controllo del volume
Adjust the master volume using the 'VOLUME/SOURCE' knob on the rear panel or the volume buttons on the remote control.
4.4 Tone Control (Bass/Treble)
The rear panel of the main speaker features dedicated knobs for Bass and Treble adjustment. Rotate these knobs to fine-tune the low and high frequencies to your preference. Further equalization is available via the EDIFIER ConneX app.

Image: Rear panel controls and remote control overview.
4.5 Associazione Bluetooth
- Switch the speaker input to Bluetooth mode. The Bluetooth indicator light will flash.
- Sul tuo dispositivo audio (smartphone, tablet, ecc.), attiva il Bluetooth e cerca i dispositivi disponibili.
- Select "EDIFIER R2750DB MKII" from the list of devices to pair.
- Once successfully paired, the Bluetooth indicator light will glow steadily.
The R2750DB MKII supports Bluetooth 6.0 with LDAC for high-quality lossless audio transmission. It also supports multipoint connection, allowing seamless switching between multiple paired devices.

Image: Bluetooth audio codec comparison, highlighting LDAC's high transfer speed.
4.6 Using the EDIFIER ConneX App
The EDIFIER ConneX app provides enhanced control and customization options for your speakers.
- Download the EDIFIER ConneX app from your device's app store.
- Ensure your speakers are powered on and in Bluetooth pairing mode or already connected via Bluetooth.
- Open the app and follow the on-screen instructions to connect to your R2750DB MKII speakers.
- All'interno dell'app puoi:
- Cambia le sorgenti di ingresso.
- Regola il volume.
- Select from 4 preset sound modes.
- Utilize the 9-band EQ for custom sound adjustments.
- Access other settings and features.

Image: EDIFIER ConneX app interface for sound customization.
5. Manutenzione
- Pulizia: Utilizzare un panno morbido e asciutto per pulire le superfici degli altoparlanti. Non utilizzare detergenti abrasivi, cere o solventi.
- Coperture antipolvere: The speakers come with removable dust covers. Keep them on when not in use to protect the drivers from dust and damage.
- Ambiente: Avoid placing the speakers in direct sunlight, near heat sources, or in areas with high humidity. Ensure proper ventilation to prevent overheating.
- cavi: Regularly check all cables for any signs of damage. Replace damaged cables immediately.
6. Risoluzione Dei Problemi
If you encounter any issues with your EDIFIER R2750DB MKII speakers, please refer to the following common problems and solutions:
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Nessun suono |
|
|
| La connessione Bluetooth non riesce |
|
|
| Il telecomando non funziona |
|
|
| Suono distorto |
|
|
7. Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Marca | Edificatore |
| Modello | R2750DB MKII |
| Total Power Output (RMS) | 144 W (RMS) |
| Potenza di picco in uscita | 288 Watt |
| Risposta in frequenza | 45 Hz - 40 kHz |
| Rapporto segnale/rumore (S/N) | ≥85 dB(A) |
| Sensibilità di ingresso | Line In: 700 ± 50mV; Optical/Coaxial: 350 ± 50mFFS; HDMI: 350 ± 50mFFS; Bluetooth: 450 ± 50mFFS |
| Interfacce di input | HDMI eARC, Optical, Coaxial, RCA Line In, Bluetooth 6.0 |
| Interfaccia di uscita | SUB OUT (for external subwoofer) |
| Driver per woofer | 7 inch (long-stroke) |
| Driver di fascia media | 4.5 pollici |
| Driver del tweeter | 1 inch (silk dome) |
| Versione Bluetooth | 6.0 (with LDAC support) |
| Portata Bluetooth | Fino a 10 metri (senza ostacoli) |
| Metodo di controllo | Remote Control, Physical Knobs, EDIFIER ConneX App |
| Speaker Dimensions (per unit) | 27.9 cm (P) x 22.3 cm (L) x 39.5 cm (A) |
| Speaker Net Weight (per unit) | Circa 8.3 kg |
| Peso totale del prodotto | 16.57 kg |
| Materiale di recinzione | Wood, Plastic, Metal, Aluminum |
| Colore | Marrone |
| Origine | Cina |
8. Garanzia e supporto
8.1 Informazioni sulla garanzia
The EDIFIER R2750DB MKII speakers come with a Garanzia limitata del produttore di 1 anni dalla data di acquisto. La presente garanzia copre i difetti di materiali e di fabbricazione in condizioni di normale utilizzo. Non copre i danni causati da uso improprio, incidenti, modifiche non autorizzate o normale usura.
Conservare la prova d'acquisto per eventuali richieste di garanzia.
8.2 Assistenza clienti
For technical assistance, warranty service, or further inquiries, please contact Edifier customer support through their official websito o il rivenditore presso cui hai acquistato il prodotto.
Puoi trovare maggiori informazioni e risorse di supporto visitando il Edifier Brand Store.







