S M S L AO200 MKII Digital Amplifier User Manual

: June 13, 2024
: S M S L

Table of Contents

Safety Notes
Warranty Terms
Features
Specifications
Remote control
Operating the remote control
Function Introduction
Package list
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USER MANUAL

S M S L AO200 MKII Digital Amplifier

Safety Notes

Install this unit in a well ventilated, cool, dry, clean place-away from direct sunlight, heat sources, vibration, dust, moisture, or cold..
Use the voltage speciﬁed on this unit Only. Using this unit with a higher voltage than speciﬁed is dangerous and may cause ﬁre , damage to this unit, or personal injury. Our company will not be held responsible for any damage resulting from the use of this unit
with a voltage other than that speciﬁed.
Do not attempt to modify or ﬁx this unit by yourself. Contact salespersons or customer service when any service is needed. The cabinet should never be opened for any reason. When not planning to use this unit for long periods of time (i.e. when going on vacation), disconnect the power cable from the AC wall outlet.
Important note:
The product speciﬁcations and information mentioned in this manual are for reference only. The content of this manual is subject to change without notice.

Warranty Terms

The Term of Service
Foshan Shuangmusanlin Technology Co., Ltd promises to oﬀer good-quality products. If the product is broken in 7 days after purchasing when you use it normally, you can choose to send it back for return, replacement or repairing (only the product does not aﬀect the second sales can be returned ). Repairing for free in one year if you use it normally.
Date of purchase is in accordance with the date on invoice or receipt used by seller, and if you buy it on line, you can show the screenshot of trade.
If an inappropriate usage causes the unit damaged, the warranty will be void. As below.
•All damages by inappropriate use, including using it under non-normal working environment or without following the instructions.
• Dismantling, reﬁtting, repairing by user in private.
• Causing damage by using some ﬁttings instead of the designative or accredited ones.
• Cannot provide credible proof of purchase.
• The QC or warranty sticker of the body is damaged.
• Does not belong to our company’s products.
Sending it back to our company for repairing.
Contact your S.M.S.L Audio reseller for a return or replacement.

Features

New digital high-power ampliﬁer chip MA5332 from Inﬁneon, Germany, higher quality with high eﬃciency and low power consumption;
Using NJRC’s electronic volume control chip NJW1194 from Japan, precise volume control and low distortion;
The balanced design, from input to speaker output, greatly reducing distortion caused by signal transmission;
Built-in SMSL SDB patented sound and treble/bass adjustment for easy matching of a variety of speakers and music;
Subwoofer pre out for 2.1 system application.
New Bluetooth 5.0 reception, better sound quality, longer transmission distance!
All aluminum alloy CNC precision processing shell, anodizing technology and chamfering process, exquisite workmanship and delicate touch;
Color LCD display and user-friendly operating system are simple and easy to understand, equipped with full-featured remote control function;
Low power standby function to meet the latest European ErP2 standard; A large number of professional Hi-Fi audio components are used to enhance the sound experience;
High quality gold-plated input and output terminals;
Perfect protection circuit for overheating, overcurrent, etc.
Built-in high quality power supply, specially designed for audio!

Specifications

Inputs ……………………………………………………………………………………………..XLR , RCA , BT , USB
THD+N ……………………………………………………………………………………………………………..0.004%
SNR ……………………………………………………………………………………………………………………..106dB
Channel separation ……………………………………………………………………………………………..85dB
Input Sensitivity / Input Impedance………………………………………………………290mV / 47kΩ
Output Power ……………………………………………………………………160Wx2(4Ω) / 85Wx2(8Ω)
Power Consumption …………………………………………………………………40W(Normal Volume)
Standby power …………………………………………………………………………………………………….0.5W
Size ………………………………………………………………………………………..210X41X196mm(WxHxD)
Weight …………………………………………………………………………………………………………………. 1.6kg
Speciﬁcations are subject to change without notice.

Remote control

Install 2 x AAA batteries as instructions.
When using the remote control, point it toward the remote con-trol signal receiver on the main unit from a distance of 5 m (16 ft) or less. Do not place obstructions between the main unit and the remote control.
The remote control might not work if the remote control signal receiver on the unit is exposed to direct sunlight or bright light. If this occurs, try moving the unit. Beware that use of this remote control could cause the unintentional operation of other devices that can be controlled by infra.

Operating the remote control

S M S L AO200 MKII Digital Amplifier - remote contro

Note
This remote controller use 2 x R03/AAA batteries.

Function Introduction

S M S L AO200 MKII Digital Amplifier - Function
Introduction

Display
Function button
Remote window
Unbalanced input (RCA)
Balanced input (XLR)
SW output
Right channel output
Bluetooth input
USB input
Left channel output
Power input
Power switch

Note: Please pay attention to the polarity when connecting the speakers, it must follow the mark on the unit, to avoid any eﬀect to the sound quality.
There are 6 pages of settings in this menu.

INPUT
EQ
BASS
TREBLE
DIMMER
BRIGHTNESS

INPUTS

USB
BALANCED
UNBALANCED
BLUETOOTH

EQ Setting

Direct
Tone
SDB
Bass
Super Bass
Rock
Soft
Clear

Bass adjustment range ：-10dB ~ +10dB When the EQ mode is Direct or other EQ mode, changing the Bass will change the EQ to Tone mode. Treble adjustment range ：-10dB ~ +10dB When the EQ mode is Direct or other EQ mode, changing the Treble will change the EQ to Tone mode.

DIMMER ; 5second ~ 60 second The range is 5 seconds-60 seconds. After setting, the screen will automatically go oﬀ within this time, and the screen will re-light up if you operate the remote control or the knob at any time.

Brightness Leve l：1 ~ 6

Bluetooth operating instructions
Connection:
Step 1: Switch the input source in the SETTING MENU or press the Bluetooth button of the remote;
Step 2: Turn on the Bluetooth function of the mobile phone, search for “AO200MKII”, and tap to pairing. When the mobile phone displays “connected”, it has been successfully connected.
Re-connection:
When you had lost the connection with the AO200 MKII, for example, going out, and back home, some phones will not re-connect the AO200 MKII if the AO200 MKII has not been re-boot, so you can short press the Bluetooth button (FN) on the remote to Re-connect.
Clear pairing: Long press the “Bluetooth” button(FN) on the remote control. After clearing the pairing, some phones may no longer be able to search for “AO200MKII”. In this case, you need to delete the Bluetooth device “AO200MKII” which saved in the phone, and then search and pairing again.
Factory Resett
Connect the power cord when pressing the power button, until the screen shows the logo. Then stop pressing and restart the unit.