Heritage Audio Herchild 670- 2-channel tube-based compressor- sidechain filters (off, 50, 100, 200, 350)- direct access to continuously variable slope- MID/SIDE processing through LAT/VERT mode- frequency response: 40 Hz to 15 kHz, +/- 1 dB- input impedance: 2 kOhm- output impedance: 600 ohms- Output level: +4 or +8 VU (+30 dBu clipping point)- Inherent noise: below -82 dBu- Harmonic distortion: below 1% up to an output level of +18 dBu (no limiting)- 2x VU meter- Connectors: 2x line input XLR, 2x line output XLR- Form factor: 19" / 6 HE- Dimensions: 48. 2 x 26.5 x 20 cm (WxHxD)- Weight: 13.3 kg