S M S L A50 Stereo Power Amplifier User Manual

: June 12, 2024
: S M S L

Table of Contents

S M S L A50 Stereo Power Amplifier
Product Information
Product Usage Instructions
Features
Speciﬁcation
Remote control
Instructions for use
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

S M S L A50 Stereo Power Amplifier

Product Information

The A5O is a compact and versatile audio amplifier designed by Foshan Shuangmusanlin Technology Co., Ltd. It features Texas Instruments’ power amplifier digital amplifier chip TPA3116, ensuring high sound quality and low power consumption. With the latest Bluetooth 5.0 technology, it allows for seamless wireless connectivity with compatible devices. The A5O also includes electronic volume control, eliminating potential noise associated with traditional resistor volume control. It is equipped with tone adjustment capabilities, allowing users to independently adjust the BASS and TREBLE settings. The amplifier is designed with a pop sound control circuit, ensuring there are no disruptive pop sounds when switching the device on or off. The A5O comes with a high current adapter, enabling it to deliver a dynamic audio response. Its compact size offers flexible placement options.

Product Usage Instructions

Ensure that the unit is installed in a well-ventilated, cool, dry, and clean location away from direct sunlight, heat sources, vibration, dust, moisture, or cold.
Use only the voltage specified on the unit. Using a higher voltage than specified can be dangerous and may cause fire, damage to the unit, or personal injury. The manufacturer will not be held responsible for any damage resulting from the use of a voltage other than that specified.
Do not attempt to modify or fix the unit by yourself. If any service is needed, contact a salesperson or customer service.
When not planning to use the unit for long periods (e.g., during vacations), disconnect the power cable from the AC wall outlet.
The product specifications and information mentioned in the manual are for reference only and are subject to change without notice.

Warranty Terms

Foshan Shuangmusanlin Technology Co., Ltd. provides a one-year warranty for this product. If the product is defective due to normal use within 7 days after purchase, the customer can choose to return it for a refund or request repairs (only if the product does not affect secondary sales).
The date of purchase should be by the date on the invoice or receipt provided by the seller. Online shoppers can provide a screenshot of the trade as proof of purchase.
The following situations are not covered under the warranty:

Damage is caused by human factors, including using the product under non-normal working environments and not following the instructions in the manual.
User-disassembled, modified or maintained the product privately.
Use of non-designated or approved accessories that cause damage.
Damage to QC or warranty stickers on the cabinet.
Inability to provide valid proof of purchase.
Products that do not belong to SMSL.

Warranty terms may vary for regions outside of China mainland. Please refer to the policy of the local sales agents and nations for more information.

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 a salesperson 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 (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 good quality If the product is defective by normal use within 7 days after purchase, the customer can choose to send it back for returning or repair (only the product does not aﬀect the secondary sales can be returned ). Faulty for free within one-year warranty normal use.
The date of purchase is by the date on the invoice or receipt uesd by the seller, online shopping can show the screenshot of the trade.
The following situation can not enjoy the “Three Guarantees service”
- a.All damages by human factors, including use under non-normal working environments and not following manual structions.
- b.User privately disassembles, modiﬁcation, and maintenance.
- c.Use non-designated or approved accessories to cause damage.
- d.QC or warranty stickers damage on the cabinet. e.Can not provide valid purchasing proof.
1. Not belong to SMSL products.
2. How to guarantee These terms are only suitable for China mainland, other regions please refer to the policy of the local sales agents and nations.

Features

Texas Instruments’s power ampliﬁer digital ampliﬁer chip TPA3116.
The new Bluetooth 5.0 technology with low power consumption and high sound quality.
Electronic volume control, without the potential noise of traditional resistor volume control noise when adjusting the volume.
With tone adjustment, the BASS and TREBLE can be adjusted separately.
Equipped with pop sound control circuit, there is no pop sound when switching on and oﬀ.
High current adapter adapts to the dynamic response of audio.
Extremely small size, more ﬂexible placement.

Speciﬁcation

Output power : 100W x 2 (2Ω,1ch driven)
Frequency response: 20Hz-20KHz
BASS or TREBLE GAIN: -14dB ~ +14dB
THD+N: 0.02%
Channel separation: -105dB(1KHz)
Input sensitivity: 440mVrms
SNR: 100dB
Power consumption: 36W
Standby power: <0.5W
Dimensions: 97x32x107mm (WxHxD)
Weight: 0.30kg

Speciﬁcations are subject to change without notice.

Notes on the use of Bluetooth

There are other WiFi 2.4G and Bluetooth devices in the use environment, which is prone to interference, which may lead to unsuccessful connection, or sound freeze, or even interruption of playback.
Bluetooth also aﬀects eﬀective transmission due to too long a distance or being blocked by a block (such as a wall). It is recommended that the straight-line distance for obstacles is generally about 8-10 meters.
For some Android mobile devices, Bluetooth may not be fully compatible, which may result in abnormal playback. Please conﬁrm that there is no compatibility issue with the mobile phone before use.

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 unin-tentional operation of other devices that can be controlled by infra.

Operating the remote control $S-M-S-L-A50-Stereo-Power-Amplifier-fig- $1$$

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

Display Interface and Instructions $S-M-S-L-A50-Stereo-Power-Amplifier- fig- $2$$

Knob
Display
Right speaker output
Left speaker output
Bluetooth antenna 7 Power input
RCA Input

Instructions for use

Input: Bluetooth input, Line in.
EQ adjustment
Direct
Tone
Bass
Super Bass
Rock
Soft
Clear
Display in bass adjustment
Display in treble adjustment
$S-M-S-L-A50-Stereo-Power-Amplifier-fig- $14$$ Displayed in the brightness adjustment
Volume display