TOPPING TP50E A70 Pro 17000mW 2 Headphone Amp Preamp User Manual

: June 14, 2024
: TOPPING

TOPPING TP50E A70 Pro 17000mW 2 Headphone Amp Preamp User Manual

1. Contents listA70 Pro

Remote control
AC cable
6.35mm to 3.5 mm adaptor
Usermanual
Warranty card
Note: You can download the user manual on
htt /lwww.topping.audiol.

Attribute

Remote control receiver 3 Menu Touch to enter/exit the setup menu o return to the parent menu.
Input channel switching 5 Home page switching /Exit the setup menu 6 4-PIN-XLR headphone output jack 7 4.4mm balanced headphone output jack 8 6.35mm headphone output jack 9 Volume knob & User-defined button Rotate the knob: Adjust the volume Press the knob: User-defined function.
Please setitat [Setup Menu- Advanced-Button] 10 Extender input connector 11 Right channel balanced XLR+6.35mm TRS combo input 12 Left channel balanced XLR+6.35mm TRS combo input 1
Left channel single-ended RCA input 14 Right channel single-ended RCAinput 15 Left channel single-ended RCA preamp output
Right channel single-ended RCA preamp output 17 Right channel balanced XLR preamp output 18 Left channel balanced XLR preamp output 19 12V Trigger In/Out The 12V Trigger In/Out allows the A70 Pro to be activated by other devices or to activate other devices via a 3.5mm AUX cable.
The connected device must be equipped with a 12V Trigger In/Out to use this feature. 20 Ground lift switch
The LIFT setting is able to break the ground loop which may happen in a multi- device system with multiple ground points.
Thus eliminate the noise caused by ground loop. Keep the setting to “GND” for best performance if ground loop is not present. 21 Firmware upgrade port This port s for firmware upgrade only 22 Powerinput AC 100-240V 50H2/60Hz 23 Power switch

Attribute

There are three types of home page displays: Normal, VU and FFT, which can be
switched by touching the [l button on the front panel or set in the menu [Setup Menu – Display – Home]

erotcconiol

Operation:Press and hold the C1/C2 button for 3 seconds to save the current settings. and “C1 or “C2” will be displayed after successfully saving. Short press the C1/C2 button to use the corresponding settings.
What was saved: volume and all settings in the setup menu, such as input channel, output channel, gain, etc When to use: This feature is suitable for users who have more than one usage scenario, such as the two shown below. Using C1&C2 buttons to save and load settings may free you from changing settings one by one when you want to change usage scenario.

Connection

See “1-2 Brightness” in the “Setup Menu”, below. 00 . Connect to the input source I

See “Output settings” in the “Operation” below.

Connection

Connect to the input source

Use XLR or RCAcables to connect to the DAC. If you have more than 2 sources, you could purchase our extender Ext90 for 4 additional inputs Please refer to “Extender Instructions” for details. However, please note that A70 Pro can only use one of the inputs at a time

Connect to headphone I

Use XLR or RCA cables to connect to power amplifier or active speakers. In order to avoid damage to your devices, please turn off the amplifier or active speakers before you connect them to A70 Pro.

Operation

[l Foveronoff/standoy operation |
(1) Power on & off: Press the power switch on the rear panel to turn A70Pro on or off. (2) Standby setting
When itis working, press and hold the knob on the front panel to enter standby state and press to exit standby state when itis standby. Or you can press the standby button @) on remote control to enter or exit standby state.

Output settings I

1. Setthe output mode first (Press and hold the remote middle button) [Setup menu-Output mode] HPA: Only front panel headphone jacks have output PRE: Only the Line out connectors on the rear panel have output.
HPA+PRE: Both headphone jacks and line out connectors can have output. 2. Then select output channel based on the output mode (Remote A/B button) [Setup menu-HPA output] / [Setup menu-PRE output] HPAoutput channel: 4-PIN-XLR, 4.4mm and 6.35mm. You could choose to open one or all of them PRE output channel: RCAand XLR. You could open one or both of them. Note that in HPA+PRE output mode, remote Aand B button are invalid. All output channels are open. Cannot select individual channel output.

After setting to IND (individual) output, besides using the remote B button, you could also switch the output channel by pressing the knob, but note that you need to set [Setup Menu-Advanced-Button] to “Output select” (Default)

. Input channel switching |

Touch the@8 button on the front panel or press the @)or @ button on the
remote control to switch the input in cycle W voureseins |
(1) The enter and exit of mute state: Press the mute button ) on the remote control to mute A70 Pro, press the mute button again or adjust the
volume to exit mute state. (2) Volume adjusting: You can directly turn the volume knob or press the © =10 @ button on the remote control to adjust the volume. Note that long pressing the @) and @) button on the remote control will quickly
change the volume, so please be careful in order to protect your hearing.
(3) Volume memory: A70 Pro will memorize last volume of each output setting. Next time the setting is used, the volume will automatically revert to the volume of its last use. (8 output settings: HPA+PRE, HPA-ALL, PRE- ALL, 3.5mm, 4.4mm, 4-PIN-XLR, RCA, XLR)

The button on the front panel
Touch [ : Enter/exit the setup menu or return to the parent menu
Touch [ : Exitthe setup menu Rotate the knob: Choose setting item Press the knob: Change the setting/OK/Enter the sub menu The remote control

1.Display I

Home Choose home page Normal (Default), VU, FFT Brightness Low, Medium (Default), High, Auto
Auto has the same brightness as Medium. The differences lie in when there is no operation after 30 seconds under Auto mode, the screen will be automatically turned off, and only display the current input. You can press any button to light up the screen

FFT 0dB level Set 0dB reference voltage for FFT page

2Vrms,5Vrms (Default) ,10Vrms Classic VU 0dB Set 0dB reference voltage for VU meter. For example, if set to +4dBu when the pointer swings to 0dB, the level of the input signal now is +4dBu.when the pointer swings to 0B, the level of the input signal now is +4dBu +4dBu (Default) ,+10dBu,+16dBu
Level meter Allon (Default) ,Normal page,FFT page, All off

Set the gain of the current output channel. Low (Default) , High Low gain to high gain will have a pop-up, select Yes/No (blue for selected) ,
then press the middle button of the remote or the front-panel knob to confirm

3.0utput mode I
HPA (Default): Only front panel headphone jacks have output
PRE: Only the Line out connectors on the rear panel have output.
HPA+PRE: Both headphone jacks and line out connectors can have output.
. 4.HPAoutput |
All (Default), Individual See “Output settings” in the “Operation”, above
. 5.PRE output I
All (Default), Individual See “Output settings” in the “Operation”, above. | R |
6-1Safe volume mode ON, OFF (Default) When switching input/output channels or powering on, if the current volume is higher than the safe volume, the volume will be automatically changed to the safe volume value if you don’t press the middle button on the remote control/the knob on the front panel within 10s. 6-2 Safe volume Customized settings from -80.0dB to -0.0dB (Default: -30dB) *When using the knob, press the knob to enter the setting, rotate the knob to set the value, and press the knob again to exit the setting. 6-3 Remote Enabled (Default), Disabled 6-4 Button Customize the function of the press knob. Output select (Default) , Home select, Brightness select, Dim the screen, Output mode select, Mute, Input select
. 7.Language I
English, #1320 Scan the QR code on the right for the video

. 8 Factory reset |

Select factory reset will have a pop-up, select Yes/No (blue for selected) , then press the middle button on the remote or the front-panel knob to

Extender instruction W coecin |

ConnectA70 Pro and Ext90 via aviation connector cable. ToA70 Pro, connecting the extender Ext90 is equivalent to adding four stereo input channels, and other functions remain unchanged. *EX90 is not included. You need to buy it separately

Note I

Hot plugging Ext90 will not damage the unit, butit s not recommended

reuseiect |
After the extender is successfully connected, you can select the input of the extender. EXT1 to EXT4 correspond to the input “®” to “@” on the rear panel of Ext0.

Trouble shooting

8. Precautions

The output jacks shall not be grounded or short-circuited. Do not keep the unit in a hot, humid environment or hit the unit strongly.
Opening the case instantly voids the warranty! Indoor use only. Topping accepts no liability for any loss or damage arising directly or indirectly from the failure of A70 Pro. For improvement purpose, specifications subject to changes without prior notice.