Sony SRS-Z30, SRS-Z31 - Active Speaker System Manual

Hooking up the speakers

1. Connecting the AC power adaptor to the speaker
   

Note
Use only the supplied AC power adaptor. Do not use any other AC power adaptor to avoid damaging the speakers.

2. Connect the left speaker to the source equipment.
   
   When the system is connected to the monaural jack of a radio, etc., the sound may only come through the left speaker. In such a case, use the optional Sony plug adaptor PC236MS. The sound will come through both speakers.

To connect t o a stereo phone- type headphones jack
Use the optional PC-234S plug adaptor or RK-G138 connecting cord.

Note
To switch INPUT1 and INPUT2, use ON/OFF of the device connected to the speakers.

Listening to the sound

First, turn down the volume on the left speaker. Before connecting the speakers to the headphone output, reduce the volume of the connected component.

1. Press the POWER switch (ON).
   The POWER indicator lights up.
2. Adjust the VOLUME control.
   When connecting to the headphone output, also adjust the volume of the connected component.
   After listening, press the POWER switch (OFF).
   The POWER indicator goes off.
   
   Note
   Turn off the MEGA BASS or BASS BOOST (Walkman, etc.) function as it may cause audible distortion.
3. Using the headphones/ earphones
   Connect headphones/earphones to the PHONES jack.

Troubleshooting

Should you encounter a problem with your speaker system, check the following list and take the suggested measures. If the problem persists, consult your nearest Sony dealer.

There is no sound from the speaker system.

• Make sure all the connections have been correctly made.
• Make sure the volume on the left speaker and the connected component have been turned up properly.
• Check if headphones are connected. If they are, disconnect them.

The sound is distorted.

• Turn down the volume level on the connected component. Or, if the connected component has the bass boost function, set it to off.
• Rotate VOLUME on this unit to reduce the volume.

There is hum or noise in the speaker output.

• Make sure all the connections have been correctly made.
• Make sure none of the audio components are positioned too close to the TV set.

The sound has suddenly stopped.
Make sure all the connections have been correctly made.
The brightness of the POWER indicator is unstable.
The brightness of the POWER indicator may become unstable when the volume is turned up. This is not malfunction.

Specifications

Speaker section
Enclosure type: Full range, Bass reflex, magnetically shielded
Speaker system: 39 mm (diameter)
Impedance: 8 Ω
Rated input power: 3 W

Amplifier section (Left Speaker)
Rated output: 3W + 3W (10% T.H.D., 1 kHz, 6 Ω)
Bass boost: MEGA BASS
Input: Input cord a stereo-mini plug (2 m) x1; Stereo mini jack x1
Input impedance: 4.7 kΩ (at 1 kHz)
Output: Stereo mini jack x1 (PHONES)

General
Power: DC 9V (supplied AC power adaptor)
Dimensions (w/h/d): approx. 50 × 145 × 70 mm (2 × 5 ³/4 × 2 ⁷/8 inch)
Mass: (Left) 250 g (9 oz.), (Right) 200 g (7 oz.)

Supplied accessories
AC power adaptor (1)
Operating Instructions (1)

Optional accessories
Connecting cord RK-G136, RK-G138
Plug adaptor PC-234-S, PC-236MS

Design and specifications are subject to change without notice.