Keeson Technology S 318 User Manual

2.1Bluetooth Speaker（S318）

Instructions

1> Functional overview

1. 2.1 Bluetooth bedside audio ; bass is passive box, amplifier built and controlled

into vice box.

Bass Dimensions: W240 * D140 * H100mm

Vice Box Dimensions: W110 * D80 * H80mm

2. I / O interfaces:

1、DC IN:DC5V/2A (Lead 2.4M，Φ5.5DC female plug)

2、AUX IN : Φ3.5 input interface X3（Lead 165mm，4-pole 3.5 stereo female plug）

3、AUDIO OUT: Φ3.5 output interface X3（Lead165mm，4-pole 3.5 stereo female

plug）

4、Bluetooth input

5、Right channel output (RCA white male plug), subwoofer output (RCA Red male

plug)

3. Functional requirements: (S318)

A．Input: BT-AUX, default state is Bluetooth when power-on, connect in priority to

devices paired before but not depaired, search the name of this speaker to

connect if your device has never paired before; press the HOME key to switch to

the AUX mode.

B. Volume Control: press VOL- and VOL + button to decrease or increase the

volume when in use.

C. Bluetooth status will automatically switch to AUX IN to play via LINE if insert the

1. Audio

audio signal line; unplug the audio signal line to automatically resume to

Bluetooth status .

D. Multiple sets of machines can play the same sound source synchronously by

connecting the four section stereo signal line into the LINE IN & LINE OUT

interfaces of the vice machine control box.

E. Amplifier will automatically shut down within 60 seconds into silent mode if no

audio input under Bluetooth status, speaker will automatically enter into play

mode when input a Bluetooth signal.

F. No mute standby function under AUX mode.

2> Power Management

Power :DC5V/2A

3> Specification

1. Audo Output Power:

2.5W*2+3.5W

2. Speaker impedance：Subwoofer:2Ω Satellite : 4Ω

3. Speaker： bass3.5”2Ω10W; tweeter2”4Ω5W

4. Sensitivity：70db（1.0v/1m）

5. Distortion：300Hz-20KHz≤1%（4Ω，1KHz，1W）

6. Frequency response ：45Hz-20KHz and more

7. Electrical requirements: A. maximum noise ≤5mV, B. no high frequency and

current sound, C. no POPO sound during mode switching, D. no current impact sound

when boot, E. mute function.