FONESTAR KS-AMP

Product overview

The FONESTAR KS-AMP is a compact wall stereo amplifier with a Bluetooth receiver, USB player and FM tuner, delivering 25 + 25 W RMS at 4 Ω from a standard universal wall box.

With multiple playback options (Bluetooth 5.3, USB, an FM tuner with 50 presets and two auxiliary line inputs) the KS-AMP lets you enjoy music from any device with a line-level output, with high-quality, powerful stereo sound. A 2.15 inch LCD display shows the mode and playback information, and the unit is controlled by touch buttons or the included remote control. A configurable maximum volume, a shut-off timer, bass and treble equalisation and a selectable priority on AUX 2 for messages make it ideal for small installations in waiting rooms, small shops and homes.

Key features

• Compact stereo amplifier: 25 + 25 W RMS at 4 Ω, 15 + 15 W RMS at 8 Ω
• Bluetooth 5.3 receiver, USB player and FM tuner with 50 presets and auto search
• Autoplay when switched on, memory of the last mode and of the playback mode (random, repeat)
• 2.15 inch LCD display for mode and playback information
• Configurable maximum volume, shut-off timer, bass and treble equalisation
• Mono/stereo output selector of the player
• AUX 2 priority selectable for emergency messages or warnings
• Touch buttons or the included remote control
• Two line-level auxiliary inputs and an auxiliary output to link further amplifiers
• Fits square and round universal standard wall boxes

Many sources, one small wall unit

Pair a smartphone or tablet over Bluetooth, play music from a USB storage device, tune the FM radio or connect any line-level source to AUX 1 (3.5 mm jack) or AUX 2 (euroblock). The M button steps through FM radio, USB, Bluetooth, AUX 1 and AUX 2.

Control the volume and the sound

Set a maximum volume so the desired level is never exceeded, use the shut-off timer, and adjust bass and treble from the menu. A long press on the info button locks the amplifier buttons.

Priority messages and expansion

AUX 2 can be given priority for emergency messages or warnings. The euroblock AUX OUT links further audio devices or KS-AMP amplifiers: the instruction manual describes up to 5 amplifiers in parallel to extend the coverage.

In the box

• KS-AMP wall amplifier
• FM antenna cable
• Remote control
• Batteries

FONESTAR KS-AMP: frequently asked questions

How much power does the KS-AMP deliver?

25 + 25 W RMS at 4 Ω and 15 + 15 W RMS at 8 Ω, into loudspeakers of 4-8 Ω on euroblock terminals.

Which sources can it play?

Bluetooth 5.3 (10 m), a USB player, an FM tuner with 50 presets, AUX 1 on a 3.5 mm jack and AUX 2 on a euroblock connector.

How is it installed?

In a square or round universal standard wall box, powered from 100-240 V AC. The optional DOT-BOX-WH box allows surface mounting.

Can several amplifiers work together?

Yes. The auxiliary output connects other audio devices or further KS-AMP amplifiers; the manual describes up to 5 amplifiers in parallel.

Where can I buy the FONESTAR KS-AMP in India?

The FONESTAR KS-AMP is available from Shivansh Electronics, Kolkata, West Bengal, India, with delivery across India.

Workflow 1: Waiting room

Background music in a clinic or office waiting room.

Connections

Setup

1. Fit the KS-AMP in a universal wall box near the reception.
2. Connect the speakers to the euroblock terminals, observing polarity.
3. Tune and store FM stations or pair a phone over Bluetooth.
4. Set a maximum volume so the level stays comfortable.

Tip: The shut-off timer switches the music off at closing time.

Workflow 2: Small shop

Music and in-store messages in a small retail space.

Connections

Setup

1. Load the music on a USB storage device.
2. Enable priority on AUX 2 for announcements.
3. Adjust bass and treble from the menu.
4. Lock the buttons with a long press on the info button.

Tip: Autoplay starts the music as soon as the shop power is switched on.

Workflow 3: Home living room

Stereo sound from phone or tablet in a living area.

Connections

Setup

1. Select Bluetooth mode with the M button.
2. Search for the KS-AMP on the phone and connect.
3. Set the player output to stereo.
4. Use the remote control from the sofa.

Tip: The Bluetooth ID and password can be changed on request, as FONESTAR notes.

Workflow 4: Several rooms

Extending the same music to further areas.

Connections

Setup

1. Install one KS-AMP per area.
2. Link the AUX OUT of the main unit to the next amplifier.
3. Set the secondary amplifiers to AUX 2 mode.
4. Adjust the level of each area on its own amplifier.

Tip: The instruction manual describes up to 5 amplifiers in parallel.

Workflow 5: Office or meeting room

Sound from a computer or media player.

Connections

Setup

1. Connect the source to AUX 1.
2. Select AUX 1 with the M button.
3. Set a maximum volume suited to the room.
4. Switch off with the on/off switch after use.

Tip: FONESTAR recommends switching the device off when it is not in use.

Workflow 6: Café or salon

Radio and playlists for a small hospitality space.

Connections

Setup

1. Connect the FM antenna cable.
2. Run the auto search to store up to 50 stations.
3. Switch between radio, USB and Bluetooth with the M button.
4. Use random or repeat for USB playlists.

Tip: Mode and playback mode are remembered when the unit is switched on again.