Ningbo Listen-Acoustic Manufacturing Ltd.,315000About UsNo.722, Changyang Road, Jiangbei District, Ningbo, ChinaListen-Acoustic was founded in 2010 in Ningbo China.
We manufacture all essential components of loudspeaker boxes inhouse: Production of speakers, crafting of housings, and complex electronics ranging from passive crossovers to Class A/B amplifiers to digital high-power amplifiers with DSP and universal SMPS.
Last but not least, we are extremely proud of the excellent sound tuning that is being applied by our team of engineers.
Please enjoy !Ningbo Listen-Acoustic Manufacturing Ltd.,315000About UsNo.722, Changyang Road, Jiangbei District, Ningbo, ChinaListen-Acoustic was founded in 2010 in Ningbo China.
We manufacture all essential components of loudspeaker boxes inhouse: Production of speakers, crafting of housings, and complex electronics ranging from passive crossovers to Class A/B amplifiers to digital high-power amplifiers with DSP and universal SMPS.
Last but not least, we are extremely proud of the excellent sound tuning that is being applied by our team of engineers.
Please enjoy !Ningbo Listen-Acoustic Manufacturing Ltd.,Ningbo Listen-Acoustic Manufacturing Ltd.,Ningbo Listen-Acoustic Manufacturing Ltd.,Ningbo Listen-Acoustic Manufacturing Ltd.,Ningbo Listen-Acous
1.24Bit Digital Processing,System delay is low2.2mS 2.Single rack space with XLR audio connections 3.Balanced inputs and output ,USB interface 4.Crossover,peq,delay and limiter functions 5.Linkwitz-Riley,Bessel and Butterworth filters 6.Extremely intuitive user interface 7.12,18,24 and 48dB/octave slopes 8.Outputs assignable to any input
Specifications
Model No.
DSP-24
DSP-26
Type
24-Bit Digital Signal Processing with User-Friendly Interface
Connectors:Balance XLR (pin2 hot) Impedance:Balance:200，unbalance:100Ω Max level :>+20dBu,Balance into 2kΩ
PEQ
EQ Filter Types:1st or 2nd Order High or Low Shelf Parametric / Boost/Cut Range: +15dB/-30dB Frequency Range:19.7Hz to 21.9KHz Filter Bandwidth: 4 Oct to 0.016 Oct
Crossover
EQ Filter Types:1st or 2nd Order High or Low Shelf Parametric / Boost/Cut Range: +15dB/-30dB Frequency Range:19.7Hz to 21.9KHz Filter Bandwidth: 4 Oct to 0.016 Oct HPF and LPF Frequency Range :19.7Hz to 21.9KHz Off Available Filter Types : 12dB/Oct Butterworth/Bessel/Linkwitz-Riley 18dB/Oct Butterworth/Bessel/Linkwitz-Riley 24dB/Oct Butterworth/Bessel/Linkwitz-Riley 48dB/Oct Butterworth/Bessel/Linkwitz-Riley
Limiter
Attack Time Range: 0.5ms to 50ms Threshold Range: -20dBu to +20dBu Release Time Range: 10ms to 1 Second
Delay
Inputs: 0mS to 680mS / Outputs: 0mS to 21mS
Syetem Performance
Frequency Range :20Hz-20KHz +0.25dB/-0.25dB Dynamic Range:>114dB SNR:>112dB, THD+N ：<0.002% Crosstalk：> -90Db,20Hz - 20KHz Audio Sampling Rate：>48KHz Propagation Delay：2.2mS
Model No.
DSP-28
DSP-36
Type
24-Bit Digital Signal Processing with User-Friendly Interface
Connectors:Balance XLR (pin2 hot) Impedance:Balance:200，unbalance:100Ω Max level :>+20dBu,Balance into 2kΩ
PEQ
EQ Filter Types:1st or 2nd Order High or Low Shelf Parametric / Boost/Cut Range: +15dB/-30dB Frequency Range:19.7Hz to 21.9KHz Filter Bandwidth: 4 Oct to 0.016 Oct
Crossover
EQ Filter Types:1st or 2nd Order High or Low Shelf Parametric / Boost/Cut Range: +15dB/-30dB Frequency Range:19.7Hz to 21.9KHz Filter Bandwidth: 4 Oct to 0.016 Oct HPF and LPF Frequency Range :19.7Hz to 21.9KHz Off Available Filter Types : 12dB/Oct Butterworth/Bessel/Linkwitz-Riley 18dB/Oct Butterworth/Bessel/Linkwitz-Riley 24dB/Oct Butterworth/Bessel/Linkwitz-Riley 48dB/Oct Butterworth/Bessel/Linkwitz-Riley
Limiter
Attack Time Range: 0.5ms to 50ms Threshold Range: -20dBu to +20dBu Release Time Range: 10ms to 1 Second
Delay
Inputs: 0mS to 680mS / Outputs: 0mS to 21mS
Syetem Performance
Frequency Range :20Hz-20KHz +0.25dB/-0.25dB Dynamic Range:>114dB SNR:>112dB, THD+N ：<0.002% Crosstalk：> -90Db,20Hz - 20KHz Audio Sampling Rate：>48KHz Propagation Delay：2.2mS
Model No.
DSP-46
DSP-48
Type
24-Bit Digital Signal Processing with User-Friendly Interface
Connectors:Balance XLR (pin2 hot) Impedance:Balance:200，unbalance:100Ω Max level :>+20dBu,Balance into 2kΩ
PEQ
EQ Filter Types:1st or 2nd Order High or Low Shelf Parametric / Boost/Cut Range: +15dB/-30dB Frequency Range:19.7Hz to 21.9KHz Filter Bandwidth: 4 Oct to 0.016 Oct
Crossover
EQ Filter Types:1st or 2nd Order High or Low Shelf Parametric / Boost/Cut Range: +15dB/-30dB Frequency Range:19.7Hz to 21.9KHz Filter Bandwidth: 4 Oct to 0.016 Oct HPF and LPF Frequency Range :19.7Hz to 21.9KHz Off Available Filter Types : 12dB/Oct Butterworth/Bessel/Linkwitz-Riley 18dB/Oct Butterworth/Bessel/Linkwitz-Riley 24dB/Oct Butterworth/Bessel/Linkwitz-Riley 48dB/Oct Butterworth/Bessel/Linkwitz-Riley
Limiter
Attack Time Range: 0.5ms to 50ms Threshold Range: -20dBu to +20dBu Release Time Range: 10ms to 1 Second
Delay
Inputs: 0mS to 680mS / Outputs: 0mS to 21mS
Syetem Performance
Frequency Range :20Hz-20KHz +0.25dB/-0.25dB Dynamic Range:>114dB SNR:>112dB, THD+N ：<0.002% Crosstalk：> -90Db,20Hz - 20KHz Audio Sampling Rate：>48KHz Propagation Delay：2.2mS
