SMSL A50 Amplifier Class D User Manual

SMSL A50 Amplifier Class D

Product Information

• The A5O is a compact and versatile audio amplifier designed by Foshan Shuangmusanlin Technology Co., Ltd. It features Texas Instruments’s power amplifier digital amplifier chip TPA3116, which ensures high sound quality and low power consumption. The amplifier also incorporates Bluetooth 5.0 technology for seamless wireless connectivity with compatible devices.
• The A5O comes with electronic volume control, eliminating the potential noise associated with traditional resistor volume controls. It also offers separate tone adjustments for BASS and TREBLE, allowing users to customize their audio experience.
• This amplifier is equipped with a pop sound control circuit, ensuring a smooth transition when switching on and off without any annoying pop sounds. The high current adapter included with the A5O enables dynamic response and enhances audio performance.
• Despite its powerful capabilities, the A5O boasts an extremely small size, providing users with flexibility in placement options.

Product Usage Instructions

1. Ensure the unit is installed in a well-ventilated, cool, dry, and clean place away from direct sunlight, heat sources, vibration, dust, moisture, or cold.
2. Use only the specified voltage for this unit. Using a higher voltage can be dangerous and may cause fire, damage to the unit, or personal injury.
3. Do not attempt to modify or fix the unit yourself. Contact a salesperson or customer service for any required service.
4. When not planning to use the unit for an extended period, such as during a vacation, disconnect the power cable from the AC wall outlet.
5. Note that the product specifications and information mentioned in the manual are for reference only and are subject to change without notice.

Warranty Terms

1. The warranty period for this product is one year from the date of purchase.
2. If the product is defective due to normal use within 7 days after purchase, the customer can choose to return or repair it.
3. Damage caused by human factors, unauthorized modifications or disassembly, use of non-approved accessories, or removal of QC or warranty stickers will void the warranty.
4. Please refer to the policy of the local sales agents and nations for warranty terms outside of China mainland.

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 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

Warranty Terms

1. The term of service Foshan Shuangmusanlin Technology Co., Ltd. promises good quality products. If the product is defective by normal use within 7 days after purchase, the customer can choose to send it back for return or repair (only the product does not affect the secondary sales can be returned ). Faulty for free within one-year warranty normal use.
2. The date of purchase is in accordance with the date on the invoice or receipt uesd by the seller, online shopping can show the screenshot of the trade.
3. 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.
• f. Not belong to SMSL product.
• How to guarantee These terms are only suitable for China mainland, other region 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 a pop sound control circuit, there is no pop sound when switching on and off.
• The 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)
• Inputsensitivity ………………………………………………………………………………………..440mVrms
• SNR ………………………………………………………………………………………………………………….100dB
• Powerconsumption …………………………………………………………………………………………..36W
• Standbypower ………………………………………………………………………………………………..<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, 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 control 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 the use of this remote control could cause the unintentional operation of other devices that can be controlled by infra.

Operating the remote control

Note

This remote controller uses 2 x R03/AAA batteries.

Display Interface and Instructions

1. Knob
2. Display
3. Bluetooth antenna
4. RCA Input
5. Right speaker output
6. Left speaker output
7. Power 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
• Displayed in the brightness adjustment,
• Volume display
• http://smsl-audio.com/
• The contents of this manual may be changed with the edition, and are subject to change without notice!

References

• 双木三林官网-SMSL中文|佛山双木三林科技有限公司

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