Earshot

[f. EAR sb.¹ + SHOT; after bowshot, etc.] The distance at which the voice may be heard; hearing.

1607.  Beaum. & Fl., Woman Hater, I. iii. B iv b. Harke you sir, there may perhaps be some within eare-shot.

1713.  Guardian, No. 71 (1756), I. 315. Within ear-shot of one of those little ambitious men.

1844.  Disraeli, Coningsby, II. vi. 75. Tadpole and Taper … withdrew to a distant sofa, out of earshot, and indulged in confidential talk.

1856.  Mrs. Browning, Aur. Leigh, III. 1001. She was … not in earshot of the things Outspoken o’er the heads of common men.