Front Panel Connections
1. Mains switch: Used to turn ON/OFF the power.
2. LED: Lights off when VH-HA250/VH-HA275; turns on, lights blue when in standby mode.
3. Sensor: For getting the infrared ray signals of remote control operations.
4. Bass: Selects for adjusting the bass (low frequency) up or down.
5. Treble: Selects for adjusting the treble (high frequency) up or down.
6. Balance: Selects for adjusting Right or Left channel of one pair of connected speakers.
Note: if turn the Right or Left to the end, the other channel will be no sound.
7. Volume knob: Turns up or down the volume.
8. Speaker A/B: Speaker selector, to choose pair-A or pair-B speakers to listen.
Note: there's 4 modes in the speaker selecting button (either in remote control):
Press 1st time (Default): Driver speaker A;
Press 2nd time: Driver speaker B;
Press 3rd time: Driver speaker A and B both on;
Press 4th time: Driver speaker A and B both off.
.. again...
9. CD: To activate CD source.
10. DVD: To activate DVD source.
11. TUNER/AUX: Press 1st time to activate TUNER source; press 2nd time to activate AUX source; ...again...
12. PHONO: To activate PHONO source.
13. BT: to activate Bluetooth function.
14. Headphone: 6mm headphone connector.
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Back Panel Introductions
1. Line Out: For connection to an external amplifier
2. Input CD: For connection of CD player or optional equipment.
3. Input DVD: For connection of DVD player or optional equipment.
4. Input Tuner: For connection of Tuner or optional equipment
5. Input AUX: For connection of someone optional equipment
6. Input PHONO: For connection of a turntable with an MM phono cartridge
Note: Ground Screw above inputs must be connected meanwhile.
7. Bluetooth antenna.
8. Speaker.A Left & Right: For connection to A pair of loudspeakers at 4-8 ohm.
9. Speaker.B Left & Right: For connection to B pair of loudspeakers at 4-8 ohm.
Note: When you want to connect the 2 pairs of Speaker. A&B simultaneously, the maximum impedance of
speakers must be 8 ohm or above.
10. AC Input: For connection of mains voltage.
Speaker Outputs Left and Right
To avoid damage to the amplifier, make sure it is NOT plugged into an AC outlet while connecting up or
disconnecting speaker wire to the speaker outputs. The amplifier has two pair of speaker outputs on the back
labeled Speaker Left and Speaker Right. Using a suitable speaker wire, connect the right speaker (of
Speaker A or B) to the Speaker Right connectors and the left speaker to theM Speaker Left (of Speaker A or B).
Pay careful attention to match the positive (red) and negative (black) terminals on your speakers to the positive
(red) and negative (black) terminals on back of the amplifier.
HIFI BT Amplifier
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ENGLISH