Amphony RX1 Handbuch

User and Installation

Guide

DIGITAL Wireless

Audio Transmitter / Receiver

Model TX1, RX1

User and Installation Guide

Step1

Connecting the transmitter

With the transmitter, you can send music from your iPod / iPhone or from any

audio source that either provides a line-level audio signal or amplified speaker

level signal.

Depending on what type of audio signal you wish to transmit, follow one of the

below guidelines:

a) Transmit music from an iPod / iPhone

Place your iPod or iPhone into the iPod cradle located at the top of the

transmitter. Ensure the iPod / iPhone display faces towards the front of the

transmitter.

b) Transmit music from a line-level audio source

Attach the small silver jack of the supplied Y adapter audio cable to the line

level audio input of the transmitter. Then connect the two RCA plugs to your

audio source.

c) Transmit music from an amplified source

In order to transmit music from an amplified audio source, attach the two

supplied speaker cables to the speaker outputs of your source and then to the

speaker jack of the transmitter. Please ensure the correct polarity of the cable.

The transmitter can also be connected to other audio outputs by using an

appropriate adapter.

Finally, connect the supplied small AC adapter’s barrel-shaped plug into the

DC 9V jack, and then plug the transformer into a standard AC outlet. We

recommend the use of a surge protector to protect the transmitter from power

surges.

Unpacking: Check that this package contains:

One audio transmitter, one audio receiver, two AC adapters, two audio cables.

Page 2

User and Installation Guide

DC 9 V

Power outlet

AC adapter

Example: Transmitting music from an iPod

iPod

Page 3

User and Installation Guide

Audio Source

L R

LINE OUT

DC 9 V

Power outlet

AC adapter

Example: Connecting the transmitter to a line-level audio source

Y adapter cable

Page 4

User and Installation Guide

Audio

Source

DC 9 V

Power outlet

AC adapter

Example: Connecting the transmitter to an amplified audio source

L R

SPEAKER OUT

Page 5

User and Installation Guide

Step2

Connecting the receiver

The receiver connects to a line-in interface of an active speaker or external

amplifier via the supplied RCA cable.

If no line-in interface is available, the receiver can also be connected to other

audio inputs by using an appropriate adapter. It should be noted that the

maximum audio level of the receiver output is 1 Vrms (V ± 1.4 V maximum).

Ensure that the connected audio device will accept this audio level.

Connect the DC power input with the supplied AC adapter. The use of a surge

protector is recommended to protect the receiver from power surges which

may damage the receiver or may cause audio dropouts.

L R

AUDIO

LINE IN

Audio Input

(Active speaker)

Receiver

DC 9 V

Power outlet

AC adapter

DC 9V

L R

Page 6

User and Installation Guide

Page 7

Step3

Pairing the transmitter and receiver

In order for the transmitter and receiver to communicate, they need to be

paired. To pair the transmitter and receiver, push the transmitter pairing

button. The transmit light will start flashing.

Next, push the pairing button of the receiver which is located on the bottom

of the receiver.

You must push the receiver pairing button within one minute after you have

pushed the transmitter pairing button.

You can add up to 3 more receivers to receive the signal from the transmitter

(maximum of 4 receivers in total). Pair each additional receiver as shown

above.

Description of the transmit and receive light

Transmitter

Flashing Slowly - No receivers detected

Flashing Quickly - Pairing mode

Constantly On - Transmitting signal

Receiver

Flashing Slowly - No transmitters detected

Constantly On - Receiving valid audio signal

User and Installation Guide

Transmitter Pairing Button

Transmit Light

Transmitter

volume control

Receiver Pairing Button

Receive Light

Page 8

User and Installation Guide

Page 9

Step4

Setting the transmitter volume control

The transmitter perfroms advanced analog-to-digital transmission of the

audio signal. In order to achieve maximum dynamic range and avoid clipping

of the audio, the transmitter volume control must be adjusted to your audio

source.

In order to properly set the transmitter volume control, turn the volume of the

device connected to the receiver to a low setting. Then feed a signal with the

highest possible volume into the transmitter. Set the transmitter volume

control to the highest level while there is still no clipping / distortion of the

audio signal. Then set the volume of the device connected to the receiver to

your desired level.

If the transmitter or receiver are not used for an extended period of time,

remove the AC adapters from the power outlet.

If the transmitter level is set too low, the dynamics of the transmission are

not fully used. If the level is set too high, audio clipping (distortion) will occur

inside the transmitter during the analog-to-digital conversion.

ATTENTION! Do not connect the receiver audio output directly to passive

speakers or other low impedance drains as this may damage

the receiver! The receiver audio output cannot drive passive

speakers or headphones directly. For those devices, an

external amplifier is required.

User and Installation Guide

Page 10

Troubleshooting

Problem Possible Cause Solution

The transmit light

does not go on after

DC power is applied

to the transmitter

Faulty AC adapter

or faulty power outlet

Check the power outlet and

the AC adapter; if possible,

check for correct voltage of

the AC adapter.

No audio present at

audio input

Check the audio connection

to the transmitter and ensure

that there is audio present.

The transmit light

goes out after a few

seconds and does

not light again Transmitter hung up Disconnect and then

reconnect DC power.

Faulty AC adapter

or faulty power outlet

See under “Faulty AC adapter

or faulty power outlet“ above.

Transmitter volume

control set too low

Adjust the transmitter volume

control.

No audio at receiver

Strong interference See under “Strong

Interference“ on next page.

Transmitter volume

control set too high

Adjust the transmitter volume

control until clipping stops.

Audio is distorted

Strong interference See under “Strong

Interference“ on next page.

Transmitter volume

control set too low

Adjust the transmitter volume

control to achieve the desired

audio level.

Speaker volume

control set too low

Adjust the speaker volume

control to achieve the desired

audio level.

Speaker audio level

is too low

Audio signal too

weak

Increase the output level of

the audio source (connect

transmitter to an adjustable

output by using an adapter if

necessary).

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