QB-9 USB DAC
![](https://www.ayre.com/wp-content/uploads/2019/09/QB-9.png)
QA-9 Pro
![](https://www.ayre.com/wp-content/uploads/2024/03/DSD_front_4-1-scaled.jpg)
KX-8 Variable Gain Preamplifier
![](https://www.ayre.com/wp-content/uploads/2023/09/KX_8_silver_black_combo_front-scaled.jpg)
VX-8 Power Amplifier
![](https://www.ayre.com/wp-content/uploads/2023/05/VX_8_silver_black_combo_front-scaled.jpg)
CX-8 CD Player
![](https://www.ayre.com/wp-content/uploads/2022/01/CX-8_CD_02_4-scaled-e1643218550991.jpg)
V-5xe
![](https://www.ayre.com/wp-content/uploads/2019/06/Ayre-V-5xe.jpg)
K-5xeMP
![](https://www.ayre.com/wp-content/uploads/2019/06/Ayre_K-5xeMP.jpg)
C-5xeMP
![](https://www.ayre.com/wp-content/uploads/2019/06/Ayre-C-5xemp.jpg)
D-1xe
![](https://www.ayre.com/wp-content/uploads/2019/06/Ayre_D-1xe-1.jpg)
K-1xe
![](https://www.ayre.com/wp-content/uploads/2019/06/Ayre_K-1xe-1.jpg)
V-1xe
![](https://www.ayre.com/wp-content/uploads/2019/06/Ayre_V-1xe-1.jpg)
QB-9 USB DAC
![image](https://www.ayre.com/wp-content/uploads/2019/09/QB-9.png)
Perfectly proportioned, the QB-9 DSD is destined to convert your computer into an uncompromised digital library of your favorite music. A simple USB connection engages the Asynchronous transfer mode ensuring accurately timed music with jitter levels over a hundred times lower than previous USB solutions. Our minimum-phase digital filter and single-pass 16x oversampling technology release layers of musical resolution—uncovering the emotional soul of your music.
- Asynchronous transfer mode for USB input.
- DSD or PCM input over USB.
- Minimum phase digital filter.
- Single-pass 16x oversampling.
- zero-feedback, fully-balanced discrete circuitry.
- Equilock circuitry for active gain devices.
- Ayre Conditioner power-line RFI filter.
- AyreLink communication system.
Frequency Response
DC – 20 kHz (44.1 kHz sample rate)
DC – 22 kHz (48 kHz sample rate)
DC – 40 kHz (88.2 kHz sample rate)
DC – 44 kHz (96 kHz sample rate)
DC – 80 kHz (176.4 kHz sample rate)
DC – 88 kHz (192 kHz sample rate)
DC – 80 kHz (2.8224 MHz sample rate – DoP )
Signal/Noise
110 dB (unweighted)
Output Level
4 volts balanced, 2 volts single-ended
Input
1 USB
PCM 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz (up to 24 bits), DSD64
Dimensions
8.5″W x 11.5″D x 3″H (21.5cm x 29cm x 7.5cm)
Weight
5 pounds (2.3 kg)
DEALERS LIST
![](https://www.ayre.com/wp-content/plugins/trueapex_geolocation/images/search_icon.png)
show all dealers
-
{{ dealer.properties.long_name }}
Address: {{ dealer.properties.street_address }}
City: {{dealer.properties.city}}
State: {{dealer.properties.state_short_name}}
Phone: {{ dealer.properties.dealers_phone_number }}
No records found, please try with a different zipcode or view all dealers
Thank you for your request. Someone will be in-touch with you shortly.
{{ row[0].properties[dealers_to_show.sorted_by] }}
List of countries
- {{ country }}
-
{{dealer.properties.dealers_country}}
{{dealer.properties.long_name}}
Address: {{dealer.properties.contact_address}}
City: {{dealer.properties.contact_city}}
State: {{dealer.properties.contact_state}}
Address: {{dealer.properties.street_address}}
City: {{dealer.properties.city}}
State: {{dealer.properties.state_short_name}}
Phone: {{dealer.properties.dealers_phone_number}}