Radio Design Labs DS-HPA3 3.5 Watt Audio Power and Headphone Amplifier; Wall-Mounted Amplifier with 2 Outputs; Balanced Input on the Rear Panel; Speaker Output on the Rear Panel; Mini-Jack Headphone Output on the Front Panel; Input: 20 k: balanced or unbalanced bridging; Gain Adjustment: Single-turn audio taper (front-panel); Noise: Headphones: less -85 dB (below 10 mW into 100: ), Speaker: less -80 dB (below 1 W into 8: (DSHPA3 DS-HPA3 DS-HPA3)

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Electronics > Audio > Audio Amplifiers > Radio Design Labs DS-HPA3 3.5 Watt Audio Power and Headphone Amplifier; Wall-Mounted Amplifier with 2 Outputs; Balanced Input on the Rear Panel; Speaker Output on the Rear Panel; Mini-Jack Headphone Output on the Front Panel; Input: 20 k: balanced or unbalanced bridging; Gain Adjustment: Single-turn audio taper (front-panel); Noise: Headphones: less -85 dB (below 10 mW into 100: ), Speaker: less -80 dB (below 1 W into 8: (DSHPA3 DS-HPA3 DS-HPA3)

Radio Design Labs DS-HPA3 3.5 Watt Audio Power and Headphone Amplifier; Wall-Mounted Amplifier with 2 Outputs; Balanced Input on the Rear Panel; Speaker Output on the Rear Panel; Mini-Jack Headphone Output on the Front Panel; Input: 20 k: balanced or unbalanced bridging; Gain Adjustment: Single-turn audio taper (front-panel); Noise: Headphones: less -85 dB (below 10 mW into 100: ), Speaker: less -80 dB (below 1 W into 8: (DSHPA3 DS-HPA3 DS-HPA3)

SKU: RADIODESIGNLABSDSHPA3

Brand: Radio Design Labs

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Radio Design Labs DS-HPA3 3.5 Watt Audio Power and Headphone Amplifier; Wall-Mounted Amplifier with 2 Outputs; Balanced Input on the Rear Panel; Speaker Output on the Rear Panel; Mini-Jack Headphone Output on the Front Panel; Input: 20 k: balanced or unbalanced bridging; Gain Adjustment: Single-turn audio taper (front-panel); Noise: Headphones: <-85 dB (below 10 mW into 100: ), Speaker: <-80 dB (below 1 W into 8: ); THD+N: Headphones: < 0.1% (20 Hz to 20 kHz, 10 mW into 100: ), Speaker: < 0.1% 1 kHz, 1 W; CMRR: > 50 dB (50 Hz to 120 Hz); Ambient Operating Environment: Maximum: 32 to 104�F (0 to 40�C), Recommended: 68�F (20�C); Dimensions (W x H x D): 1.70 x 4.13 x 2.05" (4.32 x 10.49 x 5.21 cm)

General Information
Manufacturer	Radio Design Labs
Manufacturer Part Number	DS-HPA3
Product Name	3.5 Watt Audio Power and Headphone Amplifier
Features
Wall-Mounted Amplifier with 2 Outputs Balanced Input on the Rear Panel Speaker Output on the Rear Panel Mini-Jack Headphone Output on the Front Panel Setting to Turn Off Power Amplifier upon Headphone Connection Amplifier Muting Using Solid-State Switching Single Gain Adjustment for the Speaker and Headphone Amplifiers 3.5 Watt RMS Audio Amplifier into 8 Ohms 6.5 Watt RMS Audio Amplifier into 4 Ohms Output Drives 4 or 8 Ohm Speaker High-Efficiency Class D Operation Speaker Output Connection on Detachable Terminal Block Ultra-Compact All Metal Construction Thermal and Short-Circuit Protection
Specifications
Input	20 k
Input Level	+4 dBu nominal (balanced, low input sensitivity) -15 dBV nominal (unbalanced, high input sensitivity) Minimum: -18 dBu (balanced, maximum gain) Maximum: +22 dBu (low input sensitivity) +4 dBu (high input sensitivity)
Gain Adjustment	Single-turn audio taper (front-panel)
Output Power	,Headphones: 10 mW into 100
Frequency Response	Headphones: 20 Hz to 50 kHz (� 1 dB) Speaker: 20 Hz to 20 kHz (� 1 dB)
Noise	Headphones: <-85 dB (below 10 mW into 100
THD+N	Headphones: < 0.1% (20 Hz to 20 kHz, 10 mW into 100
CMRR	> 50 dB (50 Hz to 120 Hz)
Power Requirement	24 VDC at 30 mA (idle) 55 mA (1/8 power; normal voice or music) 225 mA (3.5 W into 8
Ambient Operating Environment	Maximum: 32 to 104�F (0 to 40�C) Recommended: 68�F (20�C)
Dimensions (W x H x D)	1.70 x 4.13 x 2.05" (4.32 x 10.49 x 5.21 cm)

A-20191229-1505-200-L
*This item is BRAND NEW - not refurbished. It comes with all manufacturer supplied accessories, and full manufacturer's USA warranty.

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