Keeson Technology S-318 Speaker User Manual 2 I O
Jiaxing Shufude Electric Bed Co., Ltd. Speaker 2 I O
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
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
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.
1. Audo Output Power:
1. Audio
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates, uses
instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of
the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
-- Consult the dealer or an experienced radio/TV technician for help.